2539408032 has 72 divisors (see below), whose sum is σ = 8253082656. Its totient is φ = 725544576.

The previous prime is 2539408019. The next prime is 2539408033. The reversal of 2539408032 is 2308049352.

2539408032 is a `hidden beast` number, since 2 + 539 + 40 + 80 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2539408032² = 12897186305972226048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2539408033) 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, 627798 + ... + 631829.

It is an arithmetic number, because the mean of its divisors is an integer number (114626148).

Almost surely, 2^2539408032 is an apocalyptic number.

It is an amenable number.

2539408032 is an abundant number, since it is smaller than the sum of its proper divisors (5713674624).

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

2539408032 is a wasteful number, since it uses less digits than its factorization.

2539408032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259650 (or 1259639 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2539408032 is about 50392.5394478191. The cubic root of 2539408032 is about 1364.3029859286.

The spelling of 2539408032 in words is "two billion, five hundred thirty-nine million, four hundred eight thousand, thirty-two".