2544631356 has 12 divisors (see below), whose sum is σ = 5937473192. Its totient is φ = 848210448.

The previous prime is 2544631343. The next prime is 2544631357. The reversal of 2544631356 is 6531364452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544631357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106026295 + ... + 106026318.

Almost surely, 2^2544631356 is an apocalyptic number.

It is an amenable number.

2544631356 is an abundant number, since it is smaller than the sum of its proper divisors (3392841836).

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

2544631356 is a wasteful number, since it uses less digits than its factorization.

2544631356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212052620 (or 212052618 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 2544631356 is about 50444.3391868701. The cubic root of 2544631356 is about 1365.2377597083.

The spelling of 2544631356 in words is "two billion, five hundred forty-four million, six hundred thirty-one thousand, three hundred fifty-six".