22040025504 has 96 divisors (see below), whose sum is σ = 66863180160. Its totient is φ = 6226378752.

The previous prime is 22040025353. The next prime is 22040025541. The reversal of 22040025504 is 40552004022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124449 + ... + 244064.

It is an arithmetic number, because the mean of its divisors is an integer number (696491460).

Almost surely, 2^22040025504 is an apocalyptic number.

22040025504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22040025504 is an abundant number, since it is smaller than the sum of its proper divisors (44823154656).

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

22040025504 is a wasteful number, since it uses less digits than its factorization.

22040025504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368622 (or 368614 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 22040025504 its reverse (40552004022), we get a palindrome (62592029526).

The spelling of 22040025504 in words is "twenty-two billion, forty million, twenty-five thousand, five hundred four".