40765660 has 96 divisors (see below), whose sum is σ = 102114432. Its totient is φ = 13516800.

The previous prime is 40765657. The next prime is 40765661. The reversal of 40765660 is 6656704.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40765661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101460 + ... + 101860.

It is an arithmetic number, because the mean of its divisors is an integer number (1063692).

Almost surely, 2^40765660 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 40765660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51057216).

40765660 is an abundant number, since it is smaller than the sum of its proper divisors (61348772).

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

40765660 is a wasteful number, since it uses less digits than its factorization.

40765660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 40765660 is about 6384.7991354466. The cubic root of 40765660 is about 344.1635129450.

The spelling of 40765660 in words is "forty million, seven hundred sixty-five thousand, six hundred sixty".