40322030 has 16 divisors (see below), whose sum is σ = 82948320. Its totient is φ = 13824672.

The previous prime is 40322017. The next prime is 40322033. The reversal of 40322030 is 3022304.

It is a super-2 number, since 2×40322030² = 3251732206641800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40321996 and 40322014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40322033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287945 + ... + 288084.

It is an arithmetic number, because the mean of its divisors is an integer number (5184270).

Almost surely, 2^40322030 is an apocalyptic number.

40322030 is an abundant number, since it is smaller than the sum of its proper divisors (42626290).

40322030 is a wasteful number, since it uses less digits than its factorization.

40322030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576043.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 40322030 is about 6349.9629920181. The cubic root of 40322030 is about 342.9105099633.

Adding to 40322030 its reverse (3022304), we get a palindrome (43344334).

The spelling of 40322030 in words is "forty million, three hundred twenty-two thousand, thirty".