2539904401 has 16 divisors (see below), whose sum is σ = 2695492800. Its totient is φ = 2386584000.

The previous prime is 2539904399. The next prime is 2539904413. The reversal of 2539904401 is 1044099352.

It is a cyclic number.

It is not a de Polignac number, because 2539904401 - 2¹ = 2539904399 is a prime.

It is a super-2 number, since 2×2539904401² = 12902228732438337602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2539901401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1749726 + ... + 1751176.

It is an arithmetic number, because the mean of its divisors is an integer number (168468300).

Almost surely, 2^2539904401 is an apocalyptic number.

It is an amenable number.

2539904401 is a deficient number, since it is larger than the sum of its proper divisors (155588399).

2539904401 is a wasteful number, since it uses less digits than its factorization.

2539904401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 2539904401 is about 50397.4642318440. The cubic root of 2539904401 is about 1364.3918719448.

The spelling of 2539904401 in words is "two billion, five hundred thirty-nine million, nine hundred four thousand, four hundred one".