40553312742321 has 16 divisors (see below), whose sum is σ = 54213479055360. Its totient is φ = 26964347301200.

The previous prime is 40553312742169. The next prime is 40553312742329. The reversal of 40553312742321 is 12324721335504.

40553312742321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40553312742321 - 2²³ = 40553304353713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40553312742329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54033610 + ... + 54778988.

It is an arithmetic number, because the mean of its divisors is an integer number (3388342440960).

Almost surely, 2^{40553312742321} is an apocalyptic number.

It is an amenable number.

40553312742321 is a deficient number, since it is larger than the sum of its proper divisors (13660166313039).

40553312742321 is a wasteful number, since it uses less digits than its factorization.

40553312742321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793116.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 40553312742321 in words is "forty trillion, five hundred fifty-three billion, three hundred twelve million, seven hundred forty-two thousand, three hundred twenty-one".