23402466720 has 72 divisors (see below), whose sum is σ = 79860922596. Its totient is φ = 6240657408.

The previous prime is 23402466701. The next prime is 23402466727. The reversal of 23402466720 is 2766420432.

23402466720 is a `hidden beast` number, since 2 + 340 + 246 + 6 + 72 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18868868496 + 4533598224 = 137364^2 + 67332^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23402466727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8124417 + ... + 8127296.

Almost surely, 2^23402466720 is an apocalyptic number.

23402466720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23402466720 is an abundant number, since it is smaller than the sum of its proper divisors (56458455876).

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

23402466720 is a wasteful number, since it uses less digits than its factorization.

23402466720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16251734 (or 16251723 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 23402466720 in words is "twenty-three billion, four hundred two million, four hundred sixty-six thousand, seven hundred twenty".