40512303544 has 8 divisors (see below), whose sum is σ = 75960569160. Its totient is φ = 20256151768.

The previous prime is 40512303521. The next prime is 40512303553. The reversal of 40512303544 is 44530321504.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 2532018964 + ... + 2532018979.

It is an arithmetic number, because the mean of its divisors is an integer number (9495071145).

Almost surely, 2^40512303544 is an apocalyptic number.

It is an amenable number.

40512303544 is a deficient number, since it is larger than the sum of its proper divisors (35448265616).

40512303544 is a wasteful number, since it uses less digits than its factorization.

40512303544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064037949 (or 5064037945 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 40512303544 in words is "forty billion, five hundred twelve million, three hundred three thousand, five hundred forty-four".