22180893040 has 40 divisors (see below), whose sum is σ = 51579921888. Its totient is φ = 8870749440.

The previous prime is 22180892957. The next prime is 22180893041. The reversal of 22180893040 is 4039808122.

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 (22180893041) 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, 482914 + ... + 526846.

Almost surely, 2^22180893040 is an apocalyptic number.

22180893040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22180893040 is an abundant number, since it is smaller than the sum of its proper divisors (29399028848).

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

22180893040 is a wasteful number, since it uses less digits than its factorization.

22180893040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50257 (or 50251 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 22180893040 in words is "twenty-two billion, one hundred eighty million, eight hundred ninety-three thousand, forty".