2538408940 has 12 divisors (see below), whose sum is σ = 5330658816. Its totient is φ = 1015363568.

The previous prime is 2538408937. The next prime is 2538408989. The reversal of 2538408940 is 498048352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63460204 + ... + 63460243.

It is an arithmetic number, because the mean of its divisors is an integer number (444221568).

Almost surely, 2^2538408940 is an apocalyptic number.

2538408940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538408940 is an abundant number, since it is smaller than the sum of its proper divisors (2792249876).

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

2538408940 is a wasteful number, since it uses less digits than its factorization.

2538408940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126920456 (or 126920454 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2538408940 is about 50382.6253781996. The cubic root of 2538408940 is about 1364.1240409436.

The spelling of 2538408940 in words is "two billion, five hundred thirty-eight million, four hundred eight thousand, nine hundred forty".