40660220965 has 64 divisors (see below), whose sum is σ = 62270208000. Its totient is φ = 24790155264.

The previous prime is 40660220963. The next prime is 40660220969. The reversal of 40660220965 is 56902206604.

It is not a de Polignac number, because 40660220965 - 2¹ = 40660220963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40660220963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5921124 + ... + 5927986.

It is an arithmetic number, because the mean of its divisors is an integer number (972972000).

Almost surely, 2^40660220965 is an apocalyptic number.

It is an amenable number.

40660220965 is a deficient number, since it is larger than the sum of its proper divisors (21609987035).

40660220965 is a wasteful number, since it uses less digits than its factorization.

40660220965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 40660220965 in words is "forty billion, six hundred sixty million, two hundred twenty thousand, nine hundred sixty-five".