5438920312 has 16 divisors (see below), whose sum is σ = 11654829360. Its totient is φ = 2330965824.

The previous prime is 5438920307. The next prime is 5438920321. The reversal of 5438920312 is 2130298345.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48561733 + ... + 48561844.

It is an arithmetic number, because the mean of its divisors is an integer number (728426835).

Almost surely, 2^5438920312 is an apocalyptic number.

It is an amenable number.

5438920312 is an abundant number, since it is smaller than the sum of its proper divisors (6215909048).

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

5438920312 is a wasteful number, since it uses less digits than its factorization.

5438920312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97123590 (or 97123586 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 5438920312 is about 73749.0360072591. The cubic root of 5438920312 is about 1758.6155081198.

The spelling of 5438920312 in words is "five billion, four hundred thirty-eight million, nine hundred twenty thousand, three hundred twelve".