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404341312242 = 23723461907967
BaseRepresentation
bin1011110001001001001…
…11101100101011110010
31102122200020111212211010
411320210213230223302
523111042333442432
6505430221331350
741132645306010
oct5704447545362
91378606455733
10404341312242
1114653114755a
1266445106b56
132c18ab9375a
14157da9a18b0
15a7b7add3cc
hex5e249ecaf2

404341312242 has 64 divisors (see below), whose sum is σ = 966484721664. Its totient is φ = 110263391040.

The previous prime is 404341312237. The next prime is 404341312267. The reversal of 404341312242 is 242213143404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8658 + ... + 899309.

It is an arithmetic number, because the mean of its divisors is an integer number (15101323776).

Almost surely, 2404341312242 is an apocalyptic number.

404341312242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 404341312242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (483242360832).

404341312242 is an abundant number, since it is smaller than the sum of its proper divisors (562143409422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404341312242 is a wasteful number, since it uses less digits than its factorization.

404341312242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908463.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 404341312242 its reverse (242213143404), we get a palindrome (646554455646).

The spelling of 404341312242 in words is "four hundred four billion, three hundred forty-one million, three hundred twelve thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 461 483 922 966 1383 2766 3227 6454 9681 10603 19362 21206 31809 63618 74221 148442 222663 445326 907967 1815934 2723901 5447802 6355769 12711538 19067307 20883241 38134614 41766482 62649723 125299446 146182687 292365374 418572787 438548061 837145574 877096122 1255718361 2511436722 2930009509 5860019018 8790028527 9627174101 17580057054 19254348202 28881522303 57763044606 67390218707 134780437414 202170656121 404341312242