22782810040 has 16 divisors (see below), whose sum is σ = 51261322680. Its totient is φ = 9113124000.

The previous prime is 22782809993. The next prime is 22782810041. The reversal of 22782810040 is 4001828722.

It is a junction number, because it is equal to n+sod(n) for n = 22782809978 and 22782810005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22782810041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284785086 + ... + 284785165.

Almost surely, 2^22782810040 is an apocalyptic number.

22782810040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22782810040 is an abundant number, since it is smaller than the sum of its proper divisors (28478512640).

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

22782810040 is a wasteful number, since it uses less digits than its factorization.

22782810040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569570262 (or 569570258 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The spelling of 22782810040 in words is "twenty-two billion, seven hundred eighty-two million, eight hundred ten thousand, forty".