40113242 has 16 divisors (see below), whose sum is σ = 67616640. Its totient is φ = 17708592.

The previous prime is 40113221. The next prime is 40113253. The reversal of 40113242 is 24231104.

It is a self number, because there is not a number n which added to its sum of digits gives 40113242.

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, 32942 + ... + 34137.

It is an arithmetic number, because the mean of its divisors is an integer number (4226040).

Almost surely, 2^40113242 is an apocalyptic number.

40113242 is a deficient number, since it is larger than the sum of its proper divisors (27503398).

40113242 is a wasteful number, since it uses less digits than its factorization.

40113242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67117.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40113242 is about 6333.5015591693. The cubic root of 40113242 is about 342.3176204139.

Adding to 40113242 its reverse (24231104), we get a palindrome (64344346).

The spelling of 40113242 in words is "forty million, one hundred thirteen thousand, two hundred forty-two".