40443556516660 has 24 divisors (see below), whose sum is σ = 92652511293216. Its totient is φ = 14706747824160.

The previous prime is 40443556516639. The next prime is 40443556516691. The reversal of 40443556516660 is 6661565534404.

It is a Harshad number since it is a multiple of its sum of digits (55).

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, 91917173682 + ... + 91917174121.

It is an arithmetic number, because the mean of its divisors is an integer number (3860521303884).

Almost surely, 2^{40443556516660} is an apocalyptic number.

It is an amenable number.

40443556516660 is an abundant number, since it is smaller than the sum of its proper divisors (52208954776556).

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

40443556516660 is a wasteful number, since it uses less digits than its factorization.

40443556516660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183834347823 (or 183834347821 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 55.

The spelling of 40443556516660 in words is "forty trillion, four hundred forty-three billion, five hundred fifty-six million, five hundred sixteen thousand, six hundred sixty".