40345322 has 32 divisors (see below), whose sum is σ = 68083200. Its totient is φ = 17841600.

The previous prime is 40345297. The next prime is 40345367. The reversal of 40345322 is 22354304.

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, 33572 + ... + 34752.

It is an arithmetic number, because the mean of its divisors is an integer number (2127600).

Almost surely, 2^40345322 is an apocalyptic number.

40345322 is a deficient number, since it is larger than the sum of its proper divisors (27737878).

40345322 is a wasteful number, since it uses less digits than its factorization.

40345322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40345322 is about 6351.7967536753. The cubic root of 40345322 is about 342.9765246140.

Adding to 40345322 its reverse (22354304), we get a palindrome (62699626).

The spelling of 40345322 in words is "forty million, three hundred forty-five thousand, three hundred twenty-two".