18064412740 has 48 divisors (see below), whose sum is σ = 41541413760. Its totient is φ = 6543879680.

The previous prime is 18064412689. The next prime is 18064412747. The reversal of 18064412740 is 4721446081.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18064412740.

It is not an unprimeable number, because it can be changed into a prime (18064412747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98245 + ... + 213964.

It is an arithmetic number, because the mean of its divisors is an integer number (865446120).

Almost surely, 2^18064412740 is an apocalyptic number.

18064412740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18064412740 is an abundant number, since it is smaller than the sum of its proper divisors (23477001020).

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

18064412740 is a wasteful number, since it uses less digits than its factorization.

18064412740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312492 (or 312490 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 18064412740 in words is "eighteen billion, sixty-four million, four hundred twelve thousand, seven hundred forty".