2125010400 has 72 divisors (see below), whose sum is σ = 6916916664. Its totient is φ = 566668800.

The previous prime is 2125010399. The next prime is 2125010429. The reversal of 2125010400 is 40105212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2125010400.

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, 440311 + ... + 445110.

It is an arithmetic number, because the mean of its divisors is an integer number (96068287).

Almost surely, 2^2125010400 is an apocalyptic number.

2125010400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125010400 is an abundant number, since it is smaller than the sum of its proper divisors (4791906264).

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

2125010400 is a wasteful number, since it uses less digits than its factorization.

2125010400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885444 (or 885431 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2125010400 is about 46097.8350901645. The cubic root of 2125010400 is about 1285.6428926848.

Adding to 2125010400 its reverse (40105212), we get a palindrome (2165115612).

The spelling of 2125010400 in words is "two billion, one hundred twenty-five million, ten thousand, four hundred".