5312479540 has 12 divisors (see below), whose sum is σ = 11156207076. Its totient is φ = 2124991808.

The previous prime is 5312479489. The next prime is 5312479559. The reversal of 5312479540 is 459742135.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 908299044 + 4404180496 = 30138^2 + 66364^2 .

It is a super-2 number, since 2×5312479540² = 56444877725837223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5312479493 and 5312479502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132811969 + ... + 132812008.

It is an arithmetic number, because the mean of its divisors is an integer number (929683923).

Almost surely, 2^5312479540 is an apocalyptic number.

It is an amenable number.

5312479540 is an abundant number, since it is smaller than the sum of its proper divisors (5843727536).

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

5312479540 is a wasteful number, since it uses less digits than its factorization.

5312479540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265623986 (or 265623984 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 5312479540 is about 72886.7583309890. The cubic root of 5312479540 is about 1744.8807717051.

The spelling of 5312479540 in words is "five billion, three hundred twelve million, four hundred seventy-nine thousand, five hundred forty".