2542651788 has 12 divisors (see below), whose sum is σ = 5932854200. Its totient is φ = 847550592.

The previous prime is 2542651739. The next prime is 2542651789. The reversal of 2542651788 is 8871562452.

2542651788 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (2542651789) 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, 105943813 + ... + 105943836.

Almost surely, 2^2542651788 is an apocalyptic number.

It is an amenable number.

2542651788 is an abundant number, since it is smaller than the sum of its proper divisors (3390202412).

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

2542651788 is a wasteful number, since it uses less digits than its factorization.

2542651788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211887656 (or 211887654 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 48.

The square root of 2542651788 is about 50424.7140596751. The cubic root of 2542651788 is about 1364.8836439615.

The spelling of 2542651788 in words is "two billion, five hundred forty-two million, six hundred fifty-one thousand, seven hundred eighty-eight".