41904590321556 has 72 divisors (see below), whose sum is σ = 112172457930624. Its totient is φ = 13144656303360.

The previous prime is 41904590321551. The next prime is 41904590321579. The reversal of 41904590321556 is 65512309540914.

It is a happy number.

41904590321556 is a `hidden beast` number, since 4 + 1 + 9 + 0 + 4 + 59 + 0 + 32 + 1 + 556 = 666.

It is a super-2 number, since 2×41904590321556² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41904590321551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618630 + ... + 9175613.

It is an arithmetic number, because the mean of its divisors is an integer number (1557950804592).

Almost surely, 2^{41904590321556} is an apocalyptic number.

It is an amenable number.

41904590321556 is an abundant number, since it is smaller than the sum of its proper divisors (70267867609068).

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

41904590321556 is a wasteful number, since it uses less digits than its factorization.

41904590321556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9801261 (or 9801256 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 41904590321556 in words is "forty-one trillion, nine hundred four billion, five hundred ninety million, three hundred twenty-one thousand, five hundred fifty-six".