40445565736 has 32 divisors (see below), whose sum is σ = 77673578400. Its totient is φ = 19733515200.

The previous prime is 40445565707. The next prime is 40445565767. The reversal of 40445565736 is 63756554404.

It is a self number, because there is not a number n which added to its sum of digits gives 40445565736.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 305610 + ... + 417478.

It is an arithmetic number, because the mean of its divisors is an integer number (2427299325).

Almost surely, 2^40445565736 is an apocalyptic number.

It is an amenable number.

40445565736 is a deficient number, since it is larger than the sum of its proper divisors (37228012664).

40445565736 is a wasteful number, since it uses less digits than its factorization.

40445565736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112969 (or 112965 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 40445565736 in words is "forty billion, four hundred forty-five million, five hundred sixty-five thousand, seven hundred thirty-six".