2538472920 has 32 divisors (see below), whose sum is σ = 7615419120. Its totient is φ = 676926080.

The previous prime is 2538472897. The next prime is 2538473009. The reversal of 2538472920 is 292748352.

It is a congruent 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, 10576851 + ... + 10577090.

Almost surely, 2^2538472920 is an apocalyptic number.

2538472920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2538472920 is an abundant number, since it is smaller than the sum of its proper divisors (5076946200).

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

2538472920 is a wasteful number, since it uses less digits than its factorization.

2538472920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21153955 (or 21153951 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2538472920 is about 50383.2603153071. The cubic root of 2538472920 is about 1364.1355016557.

The spelling of 2538472920 in words is "two billion, five hundred thirty-eight million, four hundred seventy-two thousand, nine hundred twenty".