23404675440 has 80 divisors (see below), whose sum is σ = 73076572800. Its totient is φ = 6196336896.

The previous prime is 23404675429. The next prime is 23404675447. The reversal of 23404675440 is 4457640432.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404675447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317430 + ... + 384149.

It is an arithmetic number, because the mean of its divisors is an integer number (913457160).

Almost surely, 2^23404675440 is an apocalyptic number.

23404675440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404675440 is an abundant number, since it is smaller than the sum of its proper divisors (49671897360).

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

23404675440 is a wasteful number, since it uses less digits than its factorization.

23404675440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701734 (or 701728 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 39.

The spelling of 23404675440 in words is "twenty-three billion, four hundred four million, six hundred seventy-five thousand, four hundred forty".