2525644938 has 16 divisors (see below), whose sum is σ = 5187811680. Its totient is φ = 819128016.

The previous prime is 2525644921. The next prime is 2525644943. The reversal of 2525644938 is 8394465252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5688168 + ... + 5688611.

It is an arithmetic number, because the mean of its divisors is an integer number (324238230).

Almost surely, 2^2525644938 is an apocalyptic number.

2525644938 is an abundant number, since it is smaller than the sum of its proper divisors (2662166742).

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

2525644938 is a wasteful number, since it uses less digits than its factorization.

2525644938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11376821.

The product of its digits is 2073600, while the sum is 48.

The square root of 2525644938 is about 50255.7950688276. The cubic root of 2525644938 is about 1361.8337680213.

The spelling of 2525644938 in words is "two billion, five hundred twenty-five million, six hundred forty-four thousand, nine hundred thirty-eight".