40618946 has 16 divisors (see below), whose sum is σ = 62627040. Its totient is φ = 19746720.

The previous prime is 40618931. The next prime is 40618969. The reversal of 40618946 is 64981604.

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, 30425 + ... + 31731.

It is an arithmetic number, because the mean of its divisors is an integer number (3914190).

Almost surely, 2^40618946 is an apocalyptic number.

40618946 is a deficient number, since it is larger than the sum of its proper divisors (22008094).

40618946 is a wasteful number, since it uses less digits than its factorization.

40618946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40618946 is about 6373.2994594637. The cubic root of 40618946 is about 343.7501396804.

The spelling of 40618946 in words is "forty million, six hundred eighteen thousand, nine hundred forty-six".