13623500040 has 64 divisors (see below), whose sum is σ = 40899038400. Its totient is φ = 3630396672.

The previous prime is 13623500021. The next prime is 13623500053. The reversal of 13623500040 is 4000532631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136174 + ... + 213986.

It is an arithmetic number, because the mean of its divisors is an integer number (639047475).

Almost surely, 2^13623500040 is an apocalyptic number.

13623500040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13623500040 is an abundant number, since it is smaller than the sum of its proper divisors (27275538360).

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

13623500040 is a wasteful number, since it uses less digits than its factorization.

13623500040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79286 (or 79282 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The spelling of 13623500040 in words is "thirteen billion, six hundred twenty-three million, five hundred thousand, forty".