23554553040 has 60 divisors (see below), whose sum is σ = 79104043044. Its totient is φ = 6281213952.

The previous prime is 23554553039. The next prime is 23554553047. The reversal of 23554553040 is 4035545532.

23554553040 is a `hidden beast` number, since 2 + 35 + 54 + 5 + 530 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16480397376 + 7074155664 = 128376^2 + 84108^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23554552986 and 23554553004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23554553047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16356609 + ... + 16358048.

Almost surely, 2^23554553040 is an apocalyptic number.

23554553040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23554553040 is an abundant number, since it is smaller than the sum of its proper divisors (55549490004).

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

23554553040 is a wasteful number, since it uses less digits than its factorization.

23554553040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32714676 (or 32714667 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 23554553040 in words is "twenty-three billion, five hundred fifty-four million, five hundred fifty-three thousand, forty".