4449642565392 has 100 divisors (see below), whose sum is σ = 13556375369680. Its totient is φ = 1405150276032.

The previous prime is 4449642565369. The next prime is 4449642565397. The reversal of 4449642565392 is 2935652469444.

It is a happy number.

4449642565392 is a `hidden beast` number, since 4 + 4 + 4 + 9 + 6 + 42 + 56 + 539 + 2 = 666.

It is a super-2 number, since 2×4449642565392² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4449642565397) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90327118 + ... + 90376365.

Almost surely, 2^{4449642565392} is an apocalyptic number.

It is an amenable number.

4449642565392 is an abundant number, since it is smaller than the sum of its proper divisors (9106732804288).

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

4449642565392 is a wasteful number, since it uses less digits than its factorization.

4449642565392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180703522 (or 180703507 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 63.

The spelling of 4449642565392 in words is "four trillion, four hundred forty-nine billion, six hundred forty-two million, five hundred sixty-five thousand, three hundred ninety-two".