438821940976 has 10 divisors (see below), whose sum is σ = 850217510672. Its totient is φ = 219410970480.

The previous prime is 438821940901. The next prime is 438821941009. The reversal of 438821940976 is 679049128834.

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, 13713185640 + ... + 13713185671.

Almost surely, 2^438821940976 is an apocalyptic number.

It is an amenable number.

438821940976 is a deficient number, since it is larger than the sum of its proper divisors (411395569696).

438821940976 is a wasteful number, since it uses less digits than its factorization.

438821940976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27426371319 (or 27426371313 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 438821940976 in words is "four hundred thirty-eight billion, eight hundred twenty-one million, nine hundred forty thousand, nine hundred seventy-six".