40142882 has 16 divisors (see below), whose sum is σ = 68661432. Its totient is φ = 17437440.

The previous prime is 40142863. The next prime is 40142929. The reversal of 40142882 is 28824104.

It can be written as a sum of positive squares in 4 ways, for example, as 34939921 + 5202961 = 5911^2 + 2281^2 .

It is a super-2 number, since 2×40142882² = 3222901950531848, which contains 22 as substring.

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, 44969 + ... + 45852.

Almost surely, 2^40142882 is an apocalyptic number.

40142882 is a deficient number, since it is larger than the sum of its proper divisors (28518550).

40142882 is a wasteful number, since it uses less digits than its factorization.

40142882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90853.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 40142882 is about 6335.8410649258. The cubic root of 40142882 is about 342.4019134115.

Adding to 40142882 its reverse (28824104), we get a palindrome (68966986).

The spelling of 40142882 in words is "forty million, one hundred forty-two thousand, eight hundred eighty-two".