40646516 has 24 divisors (see below), whose sum is σ = 74844000. Its totient is φ = 19286624.

The previous prime is 40646479. The next prime is 40646531. The reversal of 40646516 is 61564604.

It is a congruent number.

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, 3875 + ... + 9813.

It is an arithmetic number, because the mean of its divisors is an integer number (3118500).

Almost surely, 2^40646516 is an apocalyptic number.

It is an amenable number.

40646516 is a deficient number, since it is larger than the sum of its proper divisors (34197484).

40646516 is a wasteful number, since it uses less digits than its factorization.

40646516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6031 (or 6029 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 40646516 is about 6375.4620224734. The cubic root of 40646516 is about 343.8278952508.

The spelling of 40646516 in words is "forty million, six hundred forty-six thousand, five hundred sixteen".