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40127508582 = 2374322218997
BaseRepresentation
bin100101010111110010…
…010011000001100110
310211120112222122101120
4211113302103001212
51124140120233312
630233451434410
72620253123640
oct452762230146
9124515878346
1040127508582
1116021a29137
12793a755a06
133a26608025
141d294bd890
15109ccc228c
hex957c93066

40127508582 has 32 divisors (see below), whose sum is σ = 93853047552. Its totient is φ = 11198373984.

The previous prime is 40127508581. The next prime is 40127508593. The reversal of 40127508582 is 28580572104.

It is a super-2 number, since 2×401275085822 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40127508581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11107693 + ... + 11111304.

It is an arithmetic number, because the mean of its divisors is an integer number (2932907736).

Almost surely, 240127508582 is an apocalyptic number.

40127508582 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40127508582 is an abundant number, since it is smaller than the sum of its proper divisors (53725538970).

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

40127508582 is a wasteful number, since it uses less digits than its factorization.

40127508582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22219052.

The product of its (nonzero) digits is 179200, while the sum is 42.

The spelling of 40127508582 in words is "forty billion, one hundred twenty-seven million, five hundred eight thousand, five hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 43 86 129 258 301 602 903 1806 22218997 44437994 66656991 133313982 155532979 311065958 466598937 933197874 955416871 1910833742 2866250613 5732501226 6687918097 13375836194 20063754291 40127508582