438251206832672 has 12 divisors (see below), whose sum is σ = 862807063451886. Its totient is φ = 219125603416320.

The previous prime is 438251206832627. The next prime is 438251206832693. The reversal of 438251206832672 is 276238602152834.

It can be written as a sum of positive squares in only one way, i.e., 430041583653136 + 8209623179536 = 20737444^2 + 2865244^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6847675106729 + ... + 6847675106792.

Almost surely, 2^{438251206832672} is an apocalyptic number.

It is an amenable number.

438251206832672 is a deficient number, since it is larger than the sum of its proper divisors (424555856619214).

438251206832672 is a wasteful number, since it uses less digits than its factorization.

438251206832672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13695350213531 (or 13695350213523 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 59.

The spelling of 438251206832672 in words is "four hundred thirty-eight trillion, two hundred fifty-one billion, two hundred six million, eight hundred thirty-two thousand, six hundred seventy-two".