23854476640 has 48 divisors (see below), whose sum is σ = 58299529680. Its totient is φ = 9212761600.

The previous prime is 23854476599. The next prime is 23854476643. The reversal of 23854476640 is 4667445832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23854476643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565886 + ... + 2575165.

It is an arithmetic number, because the mean of its divisors is an integer number (1214573535).

Almost surely, 2^23854476640 is an apocalyptic number.

23854476640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23854476640 is an abundant number, since it is smaller than the sum of its proper divisors (34445053040).

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

23854476640 is a wasteful number, since it uses less digits than its factorization.

23854476640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141095 (or 5141087 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 23854476640 in words is "twenty-three billion, eight hundred fifty-four million, four hundred seventy-six thousand, six hundred forty".