2139624300 has 72 divisors (see below), whose sum is σ = 6753442752. Its totient is φ = 518696000.

The previous prime is 2139624293. The next prime is 2139624353. The reversal of 2139624300 is 34269312.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320886 + ... + 327485.

It is an arithmetic number, because the mean of its divisors is an integer number (93797816).

Almost surely, 2^2139624300 is an apocalyptic number.

2139624300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2139624300 is an abundant number, since it is smaller than the sum of its proper divisors (4613818452).

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

2139624300 is a wasteful number, since it uses less digits than its factorization.

2139624300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648399 (or 648392 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2139624300 is about 46256.0731147814. The cubic root of 2139624300 is about 1288.5833254977.

The spelling of 2139624300 in words is "two billion, one hundred thirty-nine million, six hundred twenty-four thousand, three hundred".