5072861840 has 20 divisors (see below), whose sum is σ = 11794403964. Its totient is φ = 2029144704.

The previous prime is 5072861837. The next prime is 5072861861. The reversal of 5072861840 is 481682705.

It can be written as a sum of positive squares in 2 ways, for example, as 1104365824 + 3968496016 = 33232^2 + 62996^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31705307 + ... + 31705466.

Almost surely, 2^5072861840 is an apocalyptic number.

It is an amenable number.

5072861840 is an abundant number, since it is smaller than the sum of its proper divisors (6721542124).

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

5072861840 is a wasteful number, since it uses less digits than its factorization.

5072861840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63410786 (or 63410780 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 5072861840 is about 71224.0257216622. The cubic root of 5072861840 is about 1718.2420564208.

The spelling of 5072861840 in words is "five billion, seventy-two million, eight hundred sixty-one thousand, eight hundred forty".