40113542 has 16 divisors (see below), whose sum is σ = 69154560. Its totient is φ = 17094408.

The previous prime is 40113511. The next prime is 40113581. The reversal of 40113542 is 24531104.

It is a congruent number.

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, 5498 + ... + 10509.

It is an arithmetic number, because the mean of its divisors is an integer number (4322160).

Almost surely, 2^40113542 is an apocalyptic number.

40113542 is a deficient number, since it is larger than the sum of its proper divisors (29041018).

40113542 is a wasteful number, since it uses less digits than its factorization.

40113542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16195.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40113542 is about 6333.5252427065. The cubic root of 40113542 is about 342.3184737899.

Adding to 40113542 its reverse (24531104), we get a palindrome (64644646).

The spelling of 40113542 in words is "forty million, one hundred thirteen thousand, five hundred forty-two".