40945660 has 24 divisors (see below), whose sum is σ = 98269920. Its totient is φ = 14038464.

The previous prime is 40945649. The next prime is 40945679. The reversal of 40945660 is 6654904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146095 + ... + 146374.

It is an arithmetic number, because the mean of its divisors is an integer number (4094580).

Almost surely, 2^40945660 is an apocalyptic number.

It is an amenable number.

40945660 is an abundant number, since it is smaller than the sum of its proper divisors (57324260).

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

40945660 is a wasteful number, since it uses less digits than its factorization.

40945660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292485 (or 292483 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 40945660 is about 6398.8795894281. The cubic root of 40945660 is about 344.6693183745.

The spelling of 40945660 in words is "forty million, nine hundred forty-five thousand, six hundred sixty".