22042696240 has 20 divisors (see below), whose sum is σ = 51249268944. Its totient is φ = 8817078464.

The previous prime is 22042696219. The next prime is 22042696253. The reversal of 22042696240 is 4269624022.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 22042696240.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137766772 + ... + 137766931.

Almost surely, 2^22042696240 is an apocalyptic number.

22042696240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22042696240 is an abundant number, since it is smaller than the sum of its proper divisors (29206572704).

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

22042696240 is a wasteful number, since it uses less digits than its factorization.

22042696240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275533716 (or 275533710 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 22042696240 in words is "twenty-two billion, forty-two million, six hundred ninety-six thousand, two hundred forty".