22040413040 has 40 divisors (see below), whose sum is σ = 51278155488. Its totient is φ = 8810282240.

The previous prime is 22040413027. The next prime is 22040413069. The reversal of 22040413040 is 4031404022.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 29714 + ... + 212046.

Almost surely, 2^22040413040 is an apocalyptic number.

22040413040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22040413040 is an abundant number, since it is smaller than the sum of its proper divisors (29237742448).

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

22040413040 is a wasteful number, since it uses less digits than its factorization.

22040413040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183857 (or 183851 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22040413040 its reverse (4031404022), we get a palindrome (26071817062).

The spelling of 22040413040 in words is "twenty-two billion, forty million, four hundred thirteen thousand, forty".