22440516516 has 72 divisors (see below), whose sum is σ = 63049057344. Its totient is φ = 6671845440.

The previous prime is 22440516503. The next prime is 22440516517. The reversal of 22440516516 is 61561504422.

22440516516 is a `hidden beast` number, since 224 + 405 + 16 + 5 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22440516517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513616 + ... + 555591.

It is an arithmetic number, because the mean of its divisors is an integer number (875681352).

Almost surely, 2^22440516516 is an apocalyptic number.

It is an amenable number.

22440516516 is an abundant number, since it is smaller than the sum of its proper divisors (40608540828).

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

22440516516 is a wasteful number, since it uses less digits than its factorization.

22440516516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069281 (or 1069276 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 22440516516 in words is "twenty-two billion, four hundred forty million, five hundred sixteen thousand, five hundred sixteen".