2521900392 has 48 divisors (see below), whose sum is σ = 6930023520. Its totient is φ = 764211360.

The previous prime is 2521900373. The next prime is 2521900417. The reversal of 2521900392 is 2930091252.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431308 + ... + 437115.

It is an arithmetic number, because the mean of its divisors is an integer number (144375490).

Almost surely, 2^2521900392 is an apocalyptic number.

2521900392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2521900392 is an abundant number, since it is smaller than the sum of its proper divisors (4408123128).

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

2521900392 is a wasteful number, since it uses less digits than its factorization.

2521900392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868454 (or 868439 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 2521900392 is about 50218.5263822028. The cubic root of 2521900392 is about 1361.1604124288.

The spelling of 2521900392 in words is "two billion, five hundred twenty-one million, nine hundred thousand, three hundred ninety-two".