40290994 has 8 divisors (see below), whose sum is σ = 60493680. Its totient is φ = 20126436.

The previous prime is 40290977. The next prime is 40290997. The reversal of 40290994 is 49909204.

40290994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (40290997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6724 + ... + 11215.

It is an arithmetic number, because the mean of its divisors is an integer number (7561710).

Almost surely, 2^40290994 is an apocalyptic number.

40290994 is a deficient number, since it is larger than the sum of its proper divisors (20202686).

40290994 is a wasteful number, since it uses less digits than its factorization.

40290994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19064.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 40290994 is about 6347.5187278180. The cubic root of 40290994 is about 342.8225075959.

The spelling of 40290994 in words is "forty million, two hundred ninety thousand, nine hundred ninety-four".