22404553140 has 48 divisors (see below), whose sum is σ = 64067496192. Its totient is φ = 5847428736.

The previous prime is 22404553121. The next prime is 22404553153. The reversal of 22404553140 is 4135540422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22404553098 and 22404553107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3969619 + ... + 3975258.

It is an arithmetic number, because the mean of its divisors is an integer number (1334739504).

Almost surely, 2^22404553140 is an apocalyptic number.

22404553140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22404553140 is an abundant number, since it is smaller than the sum of its proper divisors (41662943052).

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

22404553140 is a wasteful number, since it uses less digits than its factorization.

22404553140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7944936 (or 7944934 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 22404553140 in words is "twenty-two billion, four hundred four million, five hundred fifty-three thousand, one hundred forty".