2220442640460 has 72 divisors (see below), whose sum is σ = 7347646562256. Its totient is φ = 538289124480.

The previous prime is 2220442640447. The next prime is 2220442640519. The reversal of 2220442640460 is 640462440222.

2220442640460 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 4 + 4 + 2 + 640 + 4 + 6 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560715859 + ... + 560719818.

It is an arithmetic number, because the mean of its divisors is an integer number (102050646698).

Almost surely, 2^{2220442640460} is an apocalyptic number.

2220442640460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220442640460 is an abundant number, since it is smaller than the sum of its proper divisors (5127203921796).

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

2220442640460 is a wasteful number, since it uses less digits than its factorization.

2220442640460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121435703 (or 1121435698 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 2220442640460 in words is "two trillion, two hundred twenty billion, four hundred forty-two million, six hundred forty thousand, four hundred sixty".