5438831992 has 32 divisors (see below), whose sum is σ = 11136728880. Its totient is φ = 2469564160.

The previous prime is 5438831989. The next prime is 5438832017. The reversal of 5438831992 is 2991388345.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51438 + ... + 116290.

Almost surely, 2^5438831992 is an apocalyptic number.

It is an amenable number.

5438831992 is an abundant number, since it is smaller than the sum of its proper divisors (5697896888).

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

5438831992 is a wasteful number, since it uses less digits than its factorization.

5438831992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65823 (or 65819 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 5438831992 is about 73748.4372173404. The cubic root of 5438831992 is about 1758.6059889657.

The spelling of 5438831992 in words is "five billion, four hundred thirty-eight million, eight hundred thirty-one thousand, nine hundred ninety-two".