16239822240 has 48 divisors (see below), whose sum is σ = 51155441568. Its totient is φ = 4330619136.

The previous prime is 16239822229. The next prime is 16239822289. The reversal of 16239822240 is 4222893261.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16916002 + ... + 16916961.

It is an arithmetic number, because the mean of its divisors is an integer number (1065738366).

Almost surely, 2^16239822240 is an apocalyptic number.

16239822240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16239822240 is an abundant number, since it is smaller than the sum of its proper divisors (34915619328).

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

16239822240 is a wasteful number, since it uses less digits than its factorization.

16239822240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33832981 (or 33832973 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 16239822240 in words is "sixteen billion, two hundred thirty-nine million, eight hundred twenty-two thousand, two hundred forty".