18246520480 has 48 divisors (see below), whose sum is σ = 44024601600. Its totient is φ = 7143315712.

The previous prime is 18246520451. The next prime is 18246520483. The reversal of 18246520480 is 8402564281.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (18246520483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205680 + ... + 1220719.

It is an arithmetic number, because the mean of its divisors is an integer number (917179200).

Almost surely, 2^18246520480 is an apocalyptic number.

18246520480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18246520480 is an abundant number, since it is smaller than the sum of its proper divisors (25778081120).

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

18246520480 is a wasteful number, since it uses less digits than its factorization.

18246520480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426461 (or 2426453 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 18246520480 in words is "eighteen billion, two hundred forty-six million, five hundred twenty thousand, four hundred eighty".