22117641040 has 40 divisors (see below), whose sum is σ = 56098382688. Its totient is φ = 8042778240.

The previous prime is 22117641031. The next prime is 22117641043. The reversal of 22117641040 is 4014671122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22117641043) 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, 12565962 + ... + 12567721.

Almost surely, 2^22117641040 is an apocalyptic number.

22117641040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22117641040 is an abundant number, since it is smaller than the sum of its proper divisors (33980741648).

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

22117641040 is a wasteful number, since it uses less digits than its factorization.

22117641040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25133707 (or 25133701 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 22117641040 in words is "twenty-two billion, one hundred seventeen million, six hundred forty-one thousand, forty".