2544872542 has 16 divisors (see below), whose sum is σ = 3974526864. Its totient is φ = 1221048000.

The previous prime is 2544872537. The next prime is 2544872549. The reversal of 2544872542 is 2452784452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544872549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249384 + ... + 259387.

It is an arithmetic number, because the mean of its divisors is an integer number (248407929).

Almost surely, 2^2544872542 is an apocalyptic number.

2544872542 is a deficient number, since it is larger than the sum of its proper divisors (1429654322).

2544872542 is a wasteful number, since it uses less digits than its factorization.

2544872542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508875.

The product of its digits is 716800, while the sum is 43.

The square root of 2544872542 is about 50446.7297453462. The cubic root of 2544872542 is about 1365.2808918017.

The spelling of 2544872542 in words is "two billion, five hundred forty-four million, eight hundred seventy-two thousand, five hundred forty-two".