40012882 has 16 divisors (see below), whose sum is σ = 73870272. Its totient is φ = 15829200.

The previous prime is 40012871. The next prime is 40012897. The reversal of 40012882 is 28821004.

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, 109744 + ... + 110107.

It is an arithmetic number, because the mean of its divisors is an integer number (4616892).

Almost surely, 2^40012882 is an apocalyptic number.

40012882 is a deficient number, since it is larger than the sum of its proper divisors (33857390).

40012882 is a wasteful number, since it uses less digits than its factorization.

40012882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219873.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 40012882 is about 6325.5736498756. The cubic root of 40012882 is about 342.0318985785.

Adding to 40012882 its reverse (28821004), we get a palindrome (68833886).

The spelling of 40012882 in words is "forty million, twelve thousand, eight hundred eighty-two".