5259279438 has 24 divisors (see below), whose sum is σ = 13022977968. Its totient is φ = 1502651232.

The previous prime is 5259279433. The next prime is 5259279451. The reversal of 5259279438 is 8349729525.

5259279438 is a `hidden beast` number, since 5 + 2 + 592 + 7 + 9 + 43 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5259279433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20870031 + ... + 20870282.

It is an arithmetic number, because the mean of its divisors is an integer number (542624082).

Almost surely, 2^5259279438 is an apocalyptic number.

5259279438 is an abundant number, since it is smaller than the sum of its proper divisors (7763698530).

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

5259279438 is a wasteful number, since it uses less digits than its factorization.

5259279438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41740328 (or 41740325 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 5259279438 is about 72520.8896663575. The cubic root of 5259279438 is about 1739.0367062000.

The spelling of 5259279438 in words is "five billion, two hundred fifty-nine million, two hundred seventy-nine thousand, four hundred thirty-eight".