22438417040 has 40 divisors (see below), whose sum is σ = 56182346808. Its totient is φ = 8284953600.

The previous prime is 22438417021. The next prime is 22438417081. The reversal of 22438417040 is 4071483422.

It can be written as a sum of positive squares in 4 ways, for example, as 986713744 + 21451703296 = 31412^2 + 146464^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10786661 + ... + 10788740.

Almost surely, 2^22438417040 is an apocalyptic number.

22438417040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22438417040 is an abundant number, since it is smaller than the sum of its proper divisors (33743929768).

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

22438417040 is a wasteful number, since it uses less digits than its factorization.

22438417040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21575427 (or 21575421 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 22438417040 in words is "twenty-two billion, four hundred thirty-eight million, four hundred seventeen thousand, forty".