40142862 has 12 divisors (see below), whose sum is σ = 86976240. Its totient is φ = 13380948.

The previous prime is 40142857. The next prime is 40142863. The reversal of 40142862 is 26824104.

It is a super-2 number, since 2×40142862² = 3222898739102088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1115062 + ... + 1115097.

It is an arithmetic number, because the mean of its divisors is an integer number (7248020).

Almost surely, 2^40142862 is an apocalyptic number.

40142862 is an abundant number, since it is smaller than the sum of its proper divisors (46833378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40142862 is a wasteful number, since it uses less digits than its factorization.

40142862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230167 (or 2230164 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 40142862 is about 6335.8394866032. The cubic root of 40142862 is about 342.4018565476.

Adding to 40142862 its reverse (26824104), we get a palindrome (66966966).

The spelling of 40142862 in words is "forty million, one hundred forty-two thousand, eight hundred sixty-two".