210945466944 has 105 divisors (see below), whose sum is σ = 625406488707. Its totient is φ = 70304132736.

The previous prime is 210945466939. The next prime is 210945466993. The reversal of 210945466944 is 449664549012.

The square root of 210945466944 is 459288.

It is a perfect power (a square), and thus also a powerful number.

210945466944 is a `hidden beast` number, since 2 + 1 + 0 + 9 + 4 + 546 + 6 + 94 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 33065547 + ... + 33071925.

Almost surely, 2^210945466944 is an apocalyptic number.

210945466944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

210945466944 is the 459288-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210945466944

210945466944 is an abundant number, since it is smaller than the sum of its proper divisors (414461021763).

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

210945466944 is an frugal number, since it uses more digits than its factorization.

210945466944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12782 (or 6384 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 210945466944 in words is "two hundred ten billion, nine hundred forty-five million, four hundred sixty-six thousand, nine hundred forty-four".