431954029680 has 40 divisors (see below), whose sum is σ = 1339057492752. Its totient is φ = 115187741184.

The previous prime is 431954029651. The next prime is 431954029691. The reversal of 431954029680 is 86920459134.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 899903989 + ... + 899904468.

Almost surely, 2^431954029680 is an apocalyptic number.

431954029680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431954029680 is an abundant number, since it is smaller than the sum of its proper divisors (907103463072).

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

431954029680 is a wasteful number, since it uses less digits than its factorization.

431954029680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799808473 (or 1799808467 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 431954029680 in words is "four hundred thirty-one billion, nine hundred fifty-four million, twenty-nine thousand, six hundred eighty".