40431322103621 has 16 divisors (see below), whose sum is σ = 42864414996480. Its totient is φ = 38068825616640.

The previous prime is 40431322103581. The next prime is 40431322103639. The reversal of 40431322103621 is 12630122313404.

It is a cyclic number.

It is not a de Polignac number, because 40431322103621 - 2³⁴ = 40414142234437 is a prime.

It is a super-2 number, since 2×40431322103621² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40431322183621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60835565 + ... + 61496573.

It is an arithmetic number, because the mean of its divisors is an integer number (2679025937280).

Almost surely, 2^{40431322103621} is an apocalyptic number.

It is an amenable number.

40431322103621 is a deficient number, since it is larger than the sum of its proper divisors (2433092892859).

40431322103621 is a wasteful number, since it uses less digits than its factorization.

40431322103621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714404.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 40431322103621 in words is "forty trillion, four hundred thirty-one billion, three hundred twenty-two million, one hundred three thousand, six hundred twenty-one".