18125480940 has 96 divisors (see below), whose sum is σ = 58026737664. Its totient is φ = 4141167360.

The previous prime is 18125480917. The next prime is 18125480953. The reversal of 18125480940 is 4908452181.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 18125480892 and 18125480901.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1120510 + ... + 1136570.

It is an arithmetic number, because the mean of its divisors is an integer number (604445184).

Almost surely, 2^18125480940 is an apocalyptic number.

18125480940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18125480940 is an abundant number, since it is smaller than the sum of its proper divisors (39901256724).

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

18125480940 is a wasteful number, since it uses less digits than its factorization.

18125480940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18767 (or 18765 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 18125480940 in words is "eighteen billion, one hundred twenty-five million, four hundred eighty thousand, nine hundred forty".