2539490402 has 8 divisors (see below), whose sum is σ = 3813844176. Its totient is φ = 1268209012.

The previous prime is 2539490399. The next prime is 2539490423. The reversal of 2539490402 is 2040949352.

It is a happy number.

2539490402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 766028 + ... + 769335.

It is an arithmetic number, because the mean of its divisors is an integer number (476730522).

Almost surely, 2^2539490402 is an apocalyptic number.

2539490402 is a deficient number, since it is larger than the sum of its proper divisors (1274353774).

2539490402 is a wasteful number, since it uses less digits than its factorization.

2539490402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536192.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 2539490402 is about 50393.3567248700. The cubic root of 2539490402 is about 1364.3177369284.

The spelling of 2539490402 in words is "two billion, five hundred thirty-nine million, four hundred ninety thousand, four hundred two".