40646474 has 16 divisors (see below), whose sum is σ = 69405120. Its totient is φ = 17672160.

The previous prime is 40646471. The next prime is 40646479. The reversal of 40646474 is 47464604.

40646474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40646471) 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 7 ways as a sum of consecutive naturals, for example, 39659 + ... + 40670.

It is an arithmetic number, because the mean of its divisors is an integer number (4337820).

Almost surely, 2^40646474 is an apocalyptic number.

40646474 is a deficient number, since it is larger than the sum of its proper divisors (28758646).

40646474 is a wasteful number, since it uses less digits than its factorization.

40646474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80365.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 40646474 is about 6375.4587285936. The cubic root of 40646474 is about 343.8277768251.

The spelling of 40646474 in words is "forty million, six hundred forty-six thousand, four hundred seventy-four".