10621843372800 has 1296 divisors, whose sum is σ = 44350258068480. Its totient is φ = 2491803648000.

The previous prime is 10621843372739. The next prime is 10621843372841. The reversal of 10621843372800 is 827334812601.

10621843372800 is a `hidden beast` number, since 1 + 0 + 62 + 18 + 433 + 72 + 80 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a super-2 number, since 2×10621843372800² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 530313186 + ... + 530333214.

Almost surely, 2^{10621843372800} is an apocalyptic number.

10621843372800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10621843372800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22175129034240).

10621843372800 is an abundant number, since it is smaller than the sum of its proper divisors (33728414695680).

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

10621843372800 is a wasteful number, since it uses less digits than its factorization.

10621843372800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20112 (or 20081 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 10621843372800 in words is "ten trillion, six hundred twenty-one billion, eight hundred forty-three million, three hundred seventy-two thousand, eight hundred".