40001120022 has 16 divisors (see below), whose sum is σ = 80009395200. Its totient is φ = 13332514152.

The previous prime is 40001120021. The next prime is 40001120051. The reversal of 40001120022 is 22002110004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224038 + ... + 360825.

It is an arithmetic number, because the mean of its divisors is an integer number (5000587200).

Almost surely, 2^40001120022 is an apocalyptic number.

40001120022 is an abundant number, since it is smaller than the sum of its proper divisors (40008275178).

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

40001120022 is a wasteful number, since it uses less digits than its factorization.

40001120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596267.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 40001120022 its reverse (22002110004), we get a palindrome (62003230026).

The spelling of 40001120022 in words is "forty billion, one million, one hundred twenty thousand, twenty-two".