40412522 has 16 divisors (see below), whose sum is σ = 61992000. Its totient is φ = 19752480.

The previous prime is 40412507. The next prime is 40412531. The reversal of 40412522 is 22521404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40412494 and 40412503.

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, 22622 + ... + 24342.

It is an arithmetic number, because the mean of its divisors is an integer number (3874500).

Almost surely, 2^40412522 is an apocalyptic number.

40412522 is a deficient number, since it is larger than the sum of its proper divisors (21579478).

40412522 is a wasteful number, since it uses less digits than its factorization.

40412522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40412522 is about 6357.0843945947. The cubic root of 40412522 is about 343.1668419108.

Adding to 40412522 its reverse (22521404), we get a palindrome (62933926).

The spelling of 40412522 in words is "forty million, four hundred twelve thousand, five hundred twenty-two".