40031322 has 16 divisors (see below), whose sum is σ = 80129280. Its totient is φ = 13332672.

The previous prime is 40031317. The next prime is 40031353. The reversal of 40031322 is 22313004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8658 + ... + 12450.

It is an arithmetic number, because the mean of its divisors is an integer number (5008080).

Almost surely, 2^40031322 is an apocalyptic number.

40031322 is an abundant number, since it is smaller than the sum of its proper divisors (40097958).

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

40031322 is a wasteful number, since it uses less digits than its factorization.

40031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40031322 is about 6327.0310572969. The cubic root of 40031322 is about 342.0844324898.

Adding to 40031322 its reverse (22313004), we get a palindrome (62344326).

The spelling of 40031322 in words is "forty million, thirty-one thousand, three hundred twenty-two".