40602660 has 96 divisors (see below), whose sum is σ = 130771200. Its totient is φ = 9220608.

The previous prime is 40602643. The next prime is 40602691. The reversal of 40602660 is 6620604.

It is a self number, because there is not a number n which added to its sum of digits gives 40602660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116166 + ... + 116514.

It is an arithmetic number, because the mean of its divisors is an integer number (1362200).

Almost surely, 2^40602660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40602660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65385600).

40602660 is an abundant number, since it is smaller than the sum of its proper divisors (90168540).

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

40602660 is a wasteful number, since it uses less digits than its factorization.

40602660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40602660 is about 6372.0216572137. The cubic root of 40602660 is about 343.7041918022.

The spelling of 40602660 in words is "forty million, six hundred two thousand, six hundred sixty".