40445954082 has 24 divisors (see below), whose sum is σ = 87637256460. Its totient is φ = 13481314560.

The previous prime is 40445954063. The next prime is 40445954083. The reversal of 40445954082 is 28045954404.

It is a happy number.

40445954082 is a `hidden beast` number, since 4 + 0 + 445 + 95 + 40 + 82 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40103667081 + 342287001 = 200259^2 + 18501^2 .

It is not an unprimeable number, because it can be changed into a prime (40445954083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431094 + ... + 516462.

Almost surely, 2^40445954082 is an apocalyptic number.

40445954082 is an abundant number, since it is smaller than the sum of its proper divisors (47191302378).

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

40445954082 is a wasteful number, since it uses less digits than its factorization.

40445954082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111698 (or 111695 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 40445954082 in words is "forty billion, four hundred forty-five million, nine hundred fifty-four thousand, eighty-two".