40512754052444 has 24 divisors (see below), whose sum is σ = 72119396469120. Its totient is φ = 19908589581936.

The previous prime is 40512754052431. The next prime is 40512754052489. The reversal of 40512754052444 is 44425045721504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172054322 + ... + 172289625.

It is an arithmetic number, because the mean of its divisors is an integer number (3004974852880).

Almost surely, 2^{40512754052444} is an apocalyptic number.

It is an amenable number.

40512754052444 is a deficient number, since it is larger than the sum of its proper divisors (31606642416676).

40512754052444 is a wasteful number, since it uses less digits than its factorization.

40512754052444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344344457 (or 344344455 counting only the distinct ones).

The product of its (nonzero) digits is 3584000, while the sum is 47.

Adding to 40512754052444 its reverse (44425045721504), we get a palindrome (84937799773948).

The spelling of 40512754052444 in words is "forty trillion, five hundred twelve billion, seven hundred fifty-four million, fifty-two thousand, four hundred forty-four".