40694660 has 24 divisors (see below), whose sum is σ = 86909760. Its totient is φ = 16001504.

The previous prime is 40694623. The next prime is 40694663. The reversal of 40694660 is 6649604.

40694660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40694660.

It is not an unprimeable number, because it can be changed into a prime (40694663) 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, 16064 + ... + 18423.

It is an arithmetic number, because the mean of its divisors is an integer number (3621240).

Almost surely, 2^40694660 is an apocalyptic number.

It is an amenable number.

40694660 is an abundant number, since it is smaller than the sum of its proper divisors (46215100).

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

40694660 is a wasteful number, since it uses less digits than its factorization.

40694660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34555 (or 34553 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 40694660 is about 6379.2366314474. The cubic root of 40694660 is about 343.9635913333.

The spelling of 40694660 in words is "forty million, six hundred ninety-four thousand, six hundred sixty".