16180425940 has 48 divisors (see below), whose sum is σ = 40521422592. Its totient is φ = 5306374656.

The previous prime is 16180425929. The next prime is 16180425941. The reversal of 16180425940 is 4952408161.

It is a junction number, because it is equal to n+sod(n) for n = 16180425893 and 16180425902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16180425941) 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, 2509269 + ... + 2515708.

It is an arithmetic number, because the mean of its divisors is an integer number (844196304).

Almost surely, 2^16180425940 is an apocalyptic number.

16180425940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16180425940 is an abundant number, since it is smaller than the sum of its proper divisors (24340996652).

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

16180425940 is a wasteful number, since it uses less digits than its factorization.

16180425940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025016 (or 5025014 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 16180425940 in words is "sixteen billion, one hundred eighty million, four hundred twenty-five thousand, nine hundred forty".