23040288015840 has 72 divisors (see below), whose sum is σ = 78624982858968. Its totient is φ = 6144076803840.

The previous prime is 23040288015821. The next prime is 23040288015841. The reversal of 23040288015840 is 4851088204032.

23040288015840 is a `hidden beast` number, since 2 + 3 + 0 + 40 + 28 + 8 + 0 + 1 + 584 + 0 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040288015841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8000098566 + ... + 8000101445.

It is an arithmetic number, because the mean of its divisors is an integer number (1092013650819).

Almost surely, 2^{23040288015840} is an apocalyptic number.

23040288015840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23040288015840 is an abundant number, since it is smaller than the sum of its proper divisors (55584694843128).

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

23040288015840 is a wasteful number, since it uses less digits than its factorization.

23040288015840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000200032 (or 16000200021 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 23040288015840 in words is "twenty-three trillion, forty billion, two hundred eighty-eight million, fifteen thousand, eight hundred forty".