21379100459200 has 168 divisors, whose sum is σ = 58114746132480. Its totient is φ = 7675810022400.

The previous prime is 21379100459069. The next prime is 21379100459201. The reversal of 21379100459200 is 295400197312.

It is not an unprimeable number, because it can be changed into a prime (21379100459201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6297712 + ... + 9078511.

Almost surely, 2^{21379100459200} is an apocalyptic number.

21379100459200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21379100459200 is an abundant number, since it is smaller than the sum of its proper divisors (36735645673280).

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

21379100459200 is a wasteful number, since it uses less digits than its factorization.

21379100459200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15376335 (or 15376320 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 21379100459200 in words is "twenty-one trillion, three hundred seventy-nine billion, one hundred million, four hundred fifty-nine thousand, two hundred".