2520641400 has 48 divisors (see below), whose sum is σ = 7813990200. Its totient is φ = 672170880.

The previous prime is 2520641399. The next prime is 2520641423. The reversal of 2520641400 is 41460252.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2099935 + ... + 2101134.

Almost surely, 2^2520641400 is an apocalyptic number.

2520641400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520641400 is an abundant number, since it is smaller than the sum of its proper divisors (5293348800).

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

2520641400 is a wasteful number, since it uses less digits than its factorization.

2520641400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201088 (or 4201079 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2520641400 is about 50205.9896825070. The cubic root of 2520641400 is about 1360.9338669599.

The spelling of 2520641400 in words is "two billion, five hundred twenty million, six hundred forty-one thousand, four hundred".