40649604 has 12 divisors (see below), whose sum is σ = 94849104. Its totient is φ = 13549864.

The previous prime is 40649599. The next prime is 40649611. The reversal of 40649604 is 40694604.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1693722 + ... + 1693745.

It is an arithmetic number, because the mean of its divisors is an integer number (7904092).

Almost surely, 2^40649604 is an apocalyptic number.

It is an amenable number.

40649604 is an abundant number, since it is smaller than the sum of its proper divisors (54199500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40649604 is a wasteful number, since it uses less digits than its factorization.

40649604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387474 (or 3387472 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 40649604 is about 6375.7041964006. The cubic root of 40649604 is about 343.8366021361.

The spelling of 40649604 in words is "forty million, six hundred forty-nine thousand, six hundred four".