18476040 has 64 divisors (see below), whose sum is σ = 60471360. Its totient is φ = 4478720.

The previous prime is 18476033. The next prime is 18476057. The reversal of 18476040 is 4067481.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 18475989 and 18476007.

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, 5679 + ... + 8318.

It is an arithmetic number, because the mean of its divisors is an integer number (944865).

Almost surely, 2^18476040 is an apocalyptic number.

18476040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18476040 is an abundant number, since it is smaller than the sum of its proper divisors (41995320).

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

18476040 is a wasteful number, since it uses less digits than its factorization.

18476040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14022 (or 14018 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 18476040 is about 4298.3764376797. The cubic root of 18476040 is about 264.3643957877.

It can be divided in two parts, 1847 and 6040, that added together give a palindrome (7887).

The spelling of 18476040 in words is "eighteen million, four hundred seventy-six thousand, forty".