40664603650 has 48 divisors (see below), whose sum is σ = 82553073408. Its totient is φ = 14779800000.

The previous prime is 40664603611. The next prime is 40664603663. The reversal of 40664603650 is 5630646604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1161400 + ... + 1195900.

It is an arithmetic number, because the mean of its divisors is an integer number (1719855696).

Almost surely, 2^40664603650 is an apocalyptic number.

40664603650 is an abundant number, since it is smaller than the sum of its proper divisors (41888469758).

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

40664603650 is a wasteful number, since it uses less digits than its factorization.

40664603650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36667 (or 36662 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 40664603650 in words is "forty billion, six hundred sixty-four million, six hundred three thousand, six hundred fifty".