2506401136 has 10 divisors (see below), whose sum is σ = 4856152232. Its totient is φ = 1253200560.

The previous prime is 2506401113. The next prime is 2506401143. The reversal of 2506401136 is 6311046052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78325020 + ... + 78325051.

Almost surely, 2^2506401136 is an apocalyptic number.

It is an amenable number.

2506401136 is a deficient number, since it is larger than the sum of its proper divisors (2349751096).

2506401136 is a wasteful number, since it uses less digits than its factorization.

2506401136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156650079 (or 156650073 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2506401136 is about 50063.9704378308. The cubic root of 2506401136 is about 1358.3661781495.

Adding to 2506401136 its reverse (6311046052), we get a palindrome (8817447188).

The spelling of 2506401136 in words is "two billion, five hundred six million, four hundred one thousand, one hundred thirty-six".