23959810640 has 40 divisors (see below), whose sum is σ = 56040163200. Its totient is φ = 9526530176.

The previous prime is 23959810639. The next prime is 23959810681. The reversal of 23959810640 is 4601895932.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883340 + ... + 910059.

It is an arithmetic number, because the mean of its divisors is an integer number (1401004080).

Almost surely, 2^23959810640 is an apocalyptic number.

23959810640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23959810640 is an abundant number, since it is smaller than the sum of its proper divisors (32080352560).

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

23959810640 is a wasteful number, since it uses less digits than its factorization.

23959810640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793579 (or 1793573 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 23959810640 in words is "twenty-three billion, nine hundred fifty-nine million, eight hundred ten thousand, six hundred forty".