431473633463940 has 24 divisors (see below), whose sum is σ = 1208126173699200. Its totient is φ = 115059635590368.

The previous prime is 431473633463933. The next prime is 431473633463993. The reversal of 431473633463940 is 49364336374134.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 7191227224399 = 431473633463940 / (4 + 3 + 1 + 4 + 7 + 3 + 6 + 3 + 3 + 4 + 6 + 3 + 9 + 4 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3595613612140 + ... + 3595613612259.

It is an arithmetic number, because the mean of its divisors is an integer number (50338590570800).

Almost surely, 2^{431473633463940} is an apocalyptic number.

It is an amenable number.

431473633463940 is an abundant number, since it is smaller than the sum of its proper divisors (776652540235260).

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

431473633463940 is a wasteful number, since it uses less digits than its factorization.

431473633463940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191227224411 (or 7191227224409 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 60.

The spelling of 431473633463940 in words is "four hundred thirty-one trillion, four hundred seventy-three billion, six hundred thirty-three million, four hundred sixty-three thousand, nine hundred forty".