2512018400 has 72 divisors (see below), whose sum is σ = 6263036640. Its totient is φ = 983413760.

The previous prime is 2512018351. The next prime is 2512018417. The reversal of 2512018400 is 48102152.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 4196 + ... + 71004.

It is an arithmetic number, because the mean of its divisors is an integer number (86986620).

Almost surely, 2^2512018400 is an apocalyptic number.

2512018400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2512018400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3131518320).

2512018400 is an abundant number, since it is smaller than the sum of its proper divisors (3751018240).

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

2512018400 is a wasteful number, since it uses less digits than its factorization.

2512018400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66876 (or 66863 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 2512018400 is about 50120.0399042140. The cubic root of 2512018400 is about 1359.3801962368.

The spelling of 2512018400 in words is "two billion, five hundred twelve million, eighteen thousand, four hundred".