40031213022 has 24 divisors (see below), whose sum is σ = 86743149480. Its totient is φ = 13342375440.

The previous prime is 40031212999. The next prime is 40031213023. The reversal of 40031213022 is 22031213004.

40031213022 is a `hidden beast` number, since 400 + 31 + 213 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40031212986 and 40031213004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40031213023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76272 + ... + 293052.

It is an arithmetic number, because the mean of its divisors is an integer number (3614297895).

Almost surely, 2^40031213022 is an apocalyptic number.

40031213022 is an abundant number, since it is smaller than the sum of its proper divisors (46711936458).

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

40031213022 is a wasteful number, since it uses less digits than its factorization.

40031213022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227048 (or 227045 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Subtracting from 40031213022 its sum of digits (18), we obtain a palindrome (40031213004).

Adding to 40031213022 its reverse (22031213004), we get a palindrome (62062426026).

The spelling of 40031213022 in words is "forty billion, thirty-one million, two hundred thirteen thousand, twenty-two".