40797145456 has 20 divisors (see below), whose sum is σ = 79051190400. Its totient is φ = 20396838272.

The previous prime is 40797145391. The next prime is 40797145483. The reversal of 40797145456 is 65454179704.

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 3 ways as a sum of consecutive naturals, for example, 97500 + ... + 301828.

It is an arithmetic number, because the mean of its divisors is an integer number (3952559520).

Almost surely, 2^40797145456 is an apocalyptic number.

It is an amenable number.

40797145456 is a deficient number, since it is larger than the sum of its proper divisors (38254044944).

40797145456 is a wasteful number, since it uses less digits than its factorization.

40797145456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216816 (or 216810 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 40797145456 in words is "forty billion, seven hundred ninety-seven million, one hundred forty-five thousand, four hundred fifty-six".