40004322 has 16 divisors (see below), whose sum is σ = 82589952. Its totient is φ = 12904560.

The previous prime is 40004317. The next prime is 40004333. The reversal of 40004322 is 22340004.

It is a happy number.

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, 107353 + ... + 107724.

It is an arithmetic number, because the mean of its divisors is an integer number (5161872).

Almost surely, 2^40004322 is an apocalyptic number.

40004322 is an abundant number, since it is smaller than the sum of its proper divisors (42585630).

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

40004322 is a wasteful number, since it uses less digits than its factorization.

40004322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215113.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40004322 is about 6324.8969952087. The cubic root of 40004322 is about 342.0075064185.

Adding to 40004322 its reverse (22340004), we get a palindrome (62344326).

It can be divided in two parts, 400043 and 22, that added together give a triangular number (400065 = T₈₉₄).

The spelling of 40004322 in words is "forty million, four thousand, three hundred twenty-two".