22400010040 has 32 divisors (see below), whose sum is σ = 52591330080. Its totient is φ = 8570438272.

The previous prime is 22400010013. The next prime is 22400010041. The reversal of 22400010040 is 4001000422.

It is a self number, because there is not a number n which added to its sum of digits gives 22400010040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400010041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12172999 + ... + 12174838.

It is an arithmetic number, because the mean of its divisors is an integer number (1643479065).

Almost surely, 2^22400010040 is an apocalyptic number.

22400010040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22400010040 is an abundant number, since it is smaller than the sum of its proper divisors (30191320040).

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

22400010040 is a wasteful number, since it uses less digits than its factorization.

22400010040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24347871 (or 24347867 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22400010040 its reverse (4001000422), we get a palindrome (26401010462).

The spelling of 22400010040 in words is "twenty-two billion, four hundred million, ten thousand, forty".