2125150400 has 42 divisors (see below), whose sum is σ = 5229202140. Its totient is φ = 850059520.

The previous prime is 2125150387. The next prime is 2125150451. The reversal of 2125150400 is 40515212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662510 + ... + 665709.

Almost surely, 2^2125150400 is an apocalyptic number.

2125150400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2125150400 is an abundant number, since it is smaller than the sum of its proper divisors (3104051740).

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

2125150400 is a wasteful number, since it uses less digits than its factorization.

2125150400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328241 (or 1328226 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2125150400 is about 46099.3535746435. The cubic root of 2125150400 is about 1285.6711256529.

Adding to 2125150400 its reverse (40515212), we get a palindrome (2165665612).

The spelling of 2125150400 in words is "two billion, one hundred twenty-five million, one hundred fifty thousand, four hundred".