22942487040 has 160 divisors (see below), whose sum is σ = 80012218176. Its totient is φ = 5561794560.

The previous prime is 22942487021. The next prime is 22942487053. The reversal of 22942487040 is 4078424922.

It is a tau number, because it is divible by the number of its divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 22942486983 and 22942487001.

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, 51307 + ... + 220266.

Almost surely, 2^22942487040 is an apocalyptic number.

22942487040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22942487040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40006109088).

22942487040 is an abundant number, since it is smaller than the sum of its proper divisors (57069731136).

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

22942487040 is a wasteful number, since it uses less digits than its factorization.

22942487040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271610 (or 271594 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 22942487040 in words is "twenty-two billion, nine hundred forty-two million, four hundred eighty-seven thousand, forty".