40355242 has 16 divisors (see below), whose sum is σ = 63942912. Its totient is φ = 19071360.

The previous prime is 40355177. The next prime is 40355261. The reversal of 40355242 is 24255304.

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, 4903 + ... + 10234.

It is an arithmetic number, because the mean of its divisors is an integer number (3996432).

Almost surely, 2^40355242 is an apocalyptic number.

40355242 is a deficient number, since it is larger than the sum of its proper divisors (23587670).

40355242 is a wasteful number, since it uses less digits than its factorization.

40355242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15213.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 40355242 is about 6352.5775870901. The cubic root of 40355242 is about 343.0046323610.

The spelling of 40355242 in words is "forty million, three hundred fifty-five thousand, two hundred forty-two".