40022412144 has 160 divisors (see below), whose sum is σ = 121658713344. Its totient is φ = 11177379840.

The previous prime is 40022412127. The next prime is 40022412149. The reversal of 40022412144 is 44121422004.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022412149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4683844 + ... + 4692380.

Almost surely, 2^40022412144 is an apocalyptic number.

40022412144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40022412144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60829356672).

40022412144 is an abundant number, since it is smaller than the sum of its proper divisors (81636301200).

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

40022412144 is a wasteful number, since it uses less digits than its factorization.

40022412144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9255 (or 9249 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 40022412144 its reverse (44121422004), we get a palindrome (84143834148).

The spelling of 40022412144 in words is "forty billion, twenty-two million, four hundred twelve thousand, one hundred forty-four".