431986667490 has 96 divisors (see below), whose sum is σ = 1325024603136. Its totient is φ = 95554650240.

The previous prime is 431986667461. The next prime is 431986667513. The reversal of 431986667490 is 94766689134.

It is a super-2 number, since 2×431986667490² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11040037 + ... + 11079096.

It is an arithmetic number, because the mean of its divisors is an integer number (13802339616).

Almost surely, 2^431986667490 is an apocalyptic number.

431986667490 is an abundant number, since it is smaller than the sum of its proper divisors (893037935646).

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

431986667490 is a wasteful number, since it uses less digits than its factorization.

431986667490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22119184 (or 22119181 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 431986667490 in words is "four hundred thirty-one billion, nine hundred eighty-six million, six hundred sixty-seven thousand, four hundred ninety".