431321249740 has 48 divisors (see below), whose sum is σ = 959214160800. Its totient is φ = 162352899072.

The previous prime is 431321249707. The next prime is 431321249741. The reversal of 431321249740 is 47942123134.

It is a junction number, because it is equal to n+sod(n) for n = 431321249693 and 431321249702.

It is not an unprimeable number, because it can be changed into a prime (431321249741) 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, 2016031 + ... + 2219689.

It is an arithmetic number, because the mean of its divisors is an integer number (19983628350).

Almost surely, 2^431321249740 is an apocalyptic number.

It is an amenable number.

431321249740 is an abundant number, since it is smaller than the sum of its proper divisors (527892911060).

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

431321249740 is a wasteful number, since it uses less digits than its factorization.

431321249740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209914 (or 209912 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 431321249740 in words is "four hundred thirty-one billion, three hundred twenty-one million, two hundred forty-nine thousand, seven hundred forty".