438158630396 has 6 divisors (see below), whose sum is σ = 766777603200. Its totient is φ = 219079315196.

The previous prime is 438158630389. The next prime is 438158630443. The reversal of 438158630396 is 693036851834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54769828796 + ... + 54769828803.

It is an arithmetic number, because the mean of its divisors is an integer number (127796267200).

Almost surely, 2^438158630396 is an apocalyptic number.

It is an amenable number.

438158630396 is a deficient number, since it is larger than the sum of its proper divisors (328618972804).

438158630396 is a wasteful number, since it uses less digits than its factorization.

438158630396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109539657603 (or 109539657601 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 438158630396 in words is "four hundred thirty-eight billion, one hundred fifty-eight million, six hundred thirty thousand, three hundred ninety-six".