40000022244040 has 32 divisors (see below), whose sum is σ = 90259416218880. Its totient is φ = 15953899356352.

The previous prime is 40000022244029. The next prime is 40000022244047. The reversal of 40000022244040 is 4044222000004.

It is not an unprimeable number, because it can be changed into a prime (40000022244047) 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, 1440909112 + ... + 1440936871.

It is an arithmetic number, because the mean of its divisors is an integer number (2820606756840).

Almost surely, 2^{40000022244040} is an apocalyptic number.

40000022244040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40000022244040 is an abundant number, since it is smaller than the sum of its proper divisors (50259393974840).

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

40000022244040 is a wasteful number, since it uses less digits than its factorization.

40000022244040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881846341 (or 2881846337 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40000022244040 its reverse (4044222000004), we get a palindrome (44044244244044).

The spelling of 40000022244040 in words is "forty trillion, twenty-two million, two hundred forty-four thousand, forty".