40431431434304 has 56 divisors (see below), whose sum is σ = 81434676408960. Its totient is φ = 19912502877696.

The previous prime is 40431431434279. The next prime is 40431431434337. The reversal of 40431431434304 is 40343413413404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58267769 + ... + 58957575.

It is an arithmetic number, because the mean of its divisors is an integer number (1454190650160).

Almost surely, 2^{40431431434304} is an apocalyptic number.

It is an amenable number.

40431431434304 is an abundant number, since it is smaller than the sum of its proper divisors (41003244974656).

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

40431431434304 is a wasteful number, since it uses less digits than its factorization.

40431431434304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703555 (or 703545 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 40431431434304 its reverse (40343413413404), we get a palindrome (80774844847708).

The spelling of 40431431434304 in words is "forty trillion, four hundred thirty-one billion, four hundred thirty-one million, four hundred thirty-four thousand, three hundred four".