40113042 has 8 divisors (see below), whose sum is σ = 80226096. Its totient is φ = 13371012.

The previous prime is 40113019. The next prime is 40113049. The reversal of 40113042 is 24031104.

It is a sphenic number, since it is the product of 3 distinct primes.

40113042 is an admirable number.

It is a super-2 number, since 2×40113042² = 3218112276987528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40113049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3342748 + ... + 3342759.

It is an arithmetic number, because the mean of its divisors is an integer number (10028262).

Almost surely, 2^40113042 is an apocalyptic number.

40113042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40113042 is a wasteful number, since it uses less digits than its factorization.

40113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685512.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40113042 is about 6333.4857700953. The cubic root of 40113042 is about 342.3170514942.

Adding to 40113042 its reverse (24031104), we get a palindrome (64144146).

The spelling of 40113042 in words is "forty million, one hundred thirteen thousand, forty-two".