5206657040 has 40 divisors (see below), whose sum is σ = 13036670808. Its totient is φ = 1922457600.

The previous prime is 5206657009. The next prime is 5206657051. The reversal of 5206657040 is 407566025.

It can be written as a sum of positive squares in 4 ways, for example, as 32444416 + 5174212624 = 5696^2 + 71932^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 2502161 + ... + 2504240.

Almost surely, 2^5206657040 is an apocalyptic number.

It is an amenable number.

5206657040 is an abundant number, since it is smaller than the sum of its proper divisors (7830013768).

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

5206657040 is a wasteful number, since it uses less digits than its factorization.

5206657040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006427 (or 5006421 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 5206657040 is about 72157.1690132034. The cubic root of 5206657040 is about 1733.2172016212.

The spelling of 5206657040 in words is "five billion, two hundred six million, six hundred fifty-seven thousand, forty".