2218936626560 has 64 divisors (see below), whose sum is σ = 5583837265200. Its totient is φ = 840860190720.

The previous prime is 2218936626551. The next prime is 2218936626563. The reversal of 2218936626560 is 656266398122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2218936626496 and 2218936626505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218936626563) 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, 91227011 + ... + 91251330.

Almost surely, 2^{2218936626560} is an apocalyptic number.

2218936626560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2218936626560 is an abundant number, since it is smaller than the sum of its proper divisors (3364900638640).

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

2218936626560 is a wasteful number, since it uses less digits than its factorization.

2218936626560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182478379 (or 182478367 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 2218936626560 in words is "two trillion, two hundred eighteen billion, nine hundred thirty-six million, six hundred twenty-six thousand, five hundred sixty".