40222031240 has 64 divisors (see below), whose sum is σ = 91304928000. Its totient is φ = 15946267392.

The previous prime is 40222031207. The next prime is 40222031309. The reversal of 40222031240 is 4213022204.

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, 2083874 + ... + 2103086.

It is an arithmetic number, because the mean of its divisors is an integer number (1426639500).

Almost surely, 2^40222031240 is an apocalyptic number.

40222031240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40222031240 is an abundant number, since it is smaller than the sum of its proper divisors (51082896760).

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

40222031240 is a wasteful number, since it uses less digits than its factorization.

40222031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19686 (or 19682 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40222031240 its reverse (4213022204), we get a palindrome (44435053444).

The spelling of 40222031240 in words is "forty billion, two hundred twenty-two million, thirty-one thousand, two hundred forty".