23630540640 has 96 divisors (see below), whose sum is σ = 85069958400. Its totient is φ = 5401265664.

The previous prime is 23630540639. The next prime is 23630540671. The reversal of 23630540640 is 4604503632.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3513090 + ... + 3519809.

It is an arithmetic number, because the mean of its divisors is an integer number (886145400).

Almost surely, 2^23630540640 is an apocalyptic number.

23630540640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23630540640 is an abundant number, since it is smaller than the sum of its proper divisors (61439417760).

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

23630540640 is a wasteful number, since it uses less digits than its factorization.

23630540640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032924 (or 7032916 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 23630540640 in words is "twenty-three billion, six hundred thirty million, five hundred forty thousand, six hundred forty".