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401284004484 = 223113040030337
BaseRepresentation
bin1011101011011100110…
…00111111101010000100
31102100210011122120000110
411311232120333222010
523033312201120414
6504203004513020
740664122521216
oct5655630775204
91370704576013
10401284004484
111452023a4a30
126593124b770
132bac16657cc
14155ca91c5b6
15a6894c9459
hex5d6e63fa84

401284004484 has 24 divisors (see below), whose sum is σ = 1021450193568. Its totient is φ = 121601213440.

The previous prime is 401284004479. The next prime is 401284004489. The reversal of 401284004484 is 484400482104.

It is an interprime number because it is at equal distance from previous prime (401284004479) and next prime (401284004489).

It is a super-2 number, since 2×4012840044842 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401284004489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1520015037 + ... + 1520015300.

It is an arithmetic number, because the mean of its divisors is an integer number (42560424732).

Almost surely, 2401284004484 is an apocalyptic number.

401284004484 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

401284004484 is an abundant number, since it is smaller than the sum of its proper divisors (620166189084).

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

401284004484 is a wasteful number, since it uses less digits than its factorization.

401284004484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040030355 (or 3040030353 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 39.

Adding to 401284004484 its reverse (484400482104), we get a palindrome (885684486588).

The spelling of 401284004484 in words is "four hundred one billion, two hundred eighty-four million, four thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 3040030337 6080060674 9120091011 12160121348 18240182022 33440333707 36480364044 66880667414 100321001121 133761334828 200642002242 401284004484