22072785271440 has 40 divisors (see below), whose sum is σ = 68425634342208. Its totient is φ = 5886076072320.

The previous prime is 22072785271423. The next prime is 22072785271483. The reversal of 22072785271440 is 4417258727022.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45984969076 + ... + 45984969555.

Almost surely, 2^{22072785271440} is an apocalyptic number.

22072785271440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22072785271440 is an abundant number, since it is smaller than the sum of its proper divisors (46352849070768).

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

22072785271440 is a wasteful number, since it uses less digits than its factorization.

22072785271440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91969938647 (or 91969938641 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 51.

The spelling of 22072785271440 in words is "twenty-two trillion, seventy-two billion, seven hundred eighty-five million, two hundred seventy-one thousand, four hundred forty".