40452278321752 has 64 divisors (see below), whose sum is σ = 82884560205600. Its totient is φ = 18356011914240.

The previous prime is 40452278321731. The next prime is 40452278321803. The reversal of 40452278321752 is 25712387225404.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40452278321752.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1122502678 + ... + 1122538714.

Almost surely, 2^{40452278321752} is an apocalyptic number.

It is an amenable number.

40452278321752 is an abundant number, since it is smaller than the sum of its proper divisors (42432281883848).

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

40452278321752 is a wasteful number, since it uses less digits than its factorization.

40452278321752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57476 (or 57472 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 52.

The spelling of 40452278321752 in words is "forty trillion, four hundred fifty-two billion, two hundred seventy-eight million, three hundred twenty-one thousand, seven hundred fifty-two".