40830660 has 72 divisors (see below), whose sum is σ = 133387800. Its totient is φ = 10050048.

The previous prime is 40830659. The next prime is 40830661. The reversal of 40830660 is 6603804.

It is an interprime number because it is at equal distance from previous prime (40830659) and next prime (40830661).

It can be written as a sum of positive squares in 4 ways, for example, as 8749764 + 32080896 = 2958^2 + 5664^2 .

It is not an unprimeable number, because it can be changed into a prime (40830661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6385 + ... + 11064.

Almost surely, 2^40830660 is an apocalyptic number.

It is an amenable number.

40830660 is an abundant number, since it is smaller than the sum of its proper divisors (92557140).

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

40830660 is a wasteful number, since it uses less digits than its factorization.

40830660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17477 (or 17472 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40830660 is about 6389.8873229502. The cubic root of 40830660 is about 344.3463363396.

The spelling of 40830660 in words is "forty million, eight hundred thirty thousand, six hundred sixty".