41431604561564 has 36 divisors (see below), whose sum is σ = 84367666416096. Its totient is φ = 17751189927744.

The previous prime is 41431604561539. The next prime is 41431604561569. The reversal of 41431604561564 is 46516540613414.

It is a super-2 number, since 2×41431604561564² (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 (41431604561569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30354497 + ... + 31690040.

It is an arithmetic number, because the mean of its divisors is an integer number (2343546289336).

Almost surely, 2^{41431604561564} is an apocalyptic number.

It is an amenable number.

41431604561564 is an abundant number, since it is smaller than the sum of its proper divisors (42936061854532).

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

41431604561564 is a wasteful number, since it uses less digits than its factorization.

41431604561564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62047962 (or 62047953 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 41431604561564 in words is "forty-one trillion, four hundred thirty-one billion, six hundred four million, five hundred sixty-one thousand, five hundred sixty-four".