22537768040 has 16 divisors (see below), whose sum is σ = 50709978180. Its totient is φ = 9015107200.

The previous prime is 22537768039. The next prime is 22537768067. The reversal of 22537768040 is 4086773522.

It can be written as a sum of positive squares in 2 ways, for example, as 22313786884 + 223981156 = 149378^2 + 14966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22537767982 and 22537768000.

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, 281722061 + ... + 281722140.

Almost surely, 2^22537768040 is an apocalyptic number.

22537768040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22537768040 is an abundant number, since it is smaller than the sum of its proper divisors (28172210140).

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

22537768040 is a wasteful number, since it uses less digits than its factorization.

22537768040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563444212 (or 563444208 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 22537768040 in words is "twenty-two billion, five hundred thirty-seven million, seven hundred sixty-eight thousand, forty".