2285616140864 has 56 divisors (see below), whose sum is σ = 5183635332480. Its totient is φ = 979514919936.

The previous prime is 2285616140831. The next prime is 2285616140869. The reversal of 2285616140864 is 4680416165822.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×2285616140864² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2285616140869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15498644 + ... + 15645420.

Almost surely, 2^{2285616140864} is an apocalyptic number.

It is an amenable number.

2285616140864 is an abundant number, since it is smaller than the sum of its proper divisors (2898019191616).

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

2285616140864 is a wasteful number, since it uses less digits than its factorization.

2285616140864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181555 (or 181545 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 2285616140864 in words is "two trillion, two hundred eighty-five billion, six hundred sixteen million, one hundred forty thousand, eight hundred sixty-four".