40612660 has 48 divisors (see below), whose sum is σ = 98521920. Its totient is φ = 13898240.

The previous prime is 40612657. The next prime is 40612669. The reversal of 40612660 is 6621604.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40612669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1690 + ... + 9169.

It is an arithmetic number, because the mean of its divisors is an integer number (2052540).

Almost surely, 2^40612660 is an apocalyptic number.

It is an amenable number.

40612660 is an abundant number, since it is smaller than the sum of its proper divisors (57909260).

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

40612660 is a wasteful number, since it uses less digits than its factorization.

40612660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10896 (or 10894 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40612660 is about 6372.8062892261. The cubic root of 40612660 is about 343.7324063723.

The spelling of 40612660 in words is "forty million, six hundred twelve thousand, six hundred sixty".