22011136040 has 64 divisors (see below), whose sum is σ = 50076642960. Its totient is φ = 8706611200.

The previous prime is 22011136031. The next prime is 22011136061. The reversal of 22011136040 is 4063111022.

It can be written as a sum of positive squares in 8 ways, for example, as 15728671396 + 6282464644 = 125414^2 + 79262^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3847262 + ... + 3852978.

Almost surely, 2^22011136040 is an apocalyptic number.

22011136040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011136040 is an abundant number, since it is smaller than the sum of its proper divisors (28065506920).

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

22011136040 is a wasteful number, since it uses less digits than its factorization.

22011136040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782 (or 6778 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22011136040 its reverse (4063111022), we get a palindrome (26074247062).

The spelling of 22011136040 in words is "twenty-two billion, eleven million, one hundred thirty-six thousand, forty".