5264733640 has 16 divisors (see below), whose sum is σ = 11845650780. Its totient is φ = 2105893440.

The previous prime is 5264733613. The next prime is 5264733659. The reversal of 5264733640 is 463374625.

It can be written as a sum of positive squares in 2 ways, for example, as 5214861796 + 49871844 = 72214^2 + 7062^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 131618341 = 5264733640 / (5 + 2 + 6 + 4 + 7 + 3 + 3 + 6 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 5264733593 and 5264733602.

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, 65809131 + ... + 65809210.

Almost surely, 2^5264733640 is an apocalyptic number.

It is an amenable number.

5264733640 is an abundant number, since it is smaller than the sum of its proper divisors (6580917140).

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

5264733640 is a wasteful number, since it uses less digits than its factorization.

5264733640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131618352 (or 131618348 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 40.

The square root of 5264733640 is about 72558.4842730332. The cubic root of 5264733640 is about 1739.6376618134.

The spelling of 5264733640 in words is "five billion, two hundred sixty-four million, seven hundred thirty-three thousand, six hundred forty".