40649914 has 16 divisors (see below), whose sum is σ = 62596800. Its totient is φ = 19791520.

The previous prime is 40649899. The next prime is 40649923. The reversal of 40649914 is 41994604.

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, 10062 + ... + 13510.

It is an arithmetic number, because the mean of its divisors is an integer number (3912300).

Almost surely, 2^40649914 is an apocalyptic number.

40649914 is a deficient number, since it is larger than the sum of its proper divisors (21946886).

40649914 is a wasteful number, since it uses less digits than its factorization.

40649914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 40649914 is about 6375.7285073943. The cubic root of 40649914 is about 343.8374761838.

The spelling of 40649914 in words is "forty million, six hundred forty-nine thousand, nine hundred fourteen".