2538210972 has 48 divisors (see below), whose sum is σ = 6518115072. Its totient is φ = 762343680.

The previous prime is 2538210967. The next prime is 2538210973. The reversal of 2538210972 is 2790128352.

It is a self number, because there is not a number n which added to its sum of digits gives 2538210972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538210973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70168 + ... + 99999.

It is an arithmetic number, because the mean of its divisors is an integer number (135794064).

Almost surely, 2^2538210972 is an apocalyptic number.

2538210972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2538210972 is an abundant number, since it is smaller than the sum of its proper divisors (3979904100).

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

2538210972 is a wasteful number, since it uses less digits than its factorization.

2538210972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170298 (or 170296 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 2538210972 is about 50380.6606943577. The cubic root of 2538210972 is about 1364.0885777938.

The spelling of 2538210972 in words is "two billion, five hundred thirty-eight million, two hundred ten thousand, nine hundred seventy-two".