40431133044402 has 32 divisors (see below), whose sum is σ = 85122738155520. Its totient is φ = 12767041725840.

The previous prime is 40431133044353. The next prime is 40431133044427. The reversal of 40431133044402 is 20444033113404.

40431133044402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7369098 + ... + 11626085.

It is an arithmetic number, because the mean of its divisors is an integer number (2660085567360).

Almost surely, 2^{40431133044402} is an apocalyptic number.

40431133044402 is an abundant number, since it is smaller than the sum of its proper divisors (44691605111118).

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

40431133044402 is a wasteful number, since it uses less digits than its factorization.

40431133044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19013878.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 40431133044402 its reverse (20444033113404), we get a palindrome (60875166157806).

The spelling of 40431133044402 in words is "forty trillion, four hundred thirty-one billion, one hundred thirty-three million, forty-four thousand, four hundred two".