40040791360663 has 8 divisors (see below), whose sum is σ = 40306711230560. Its totient is φ = 39774881347200.

The previous prime is 40040791360657. The next prime is 40040791360667. The reversal of 40040791360663 is 36606319704004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40040791360663 - 2⁴⁵ = 4856419271831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040791360667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5778931 + ... + 10652587.

It is an arithmetic number, because the mean of its divisors is an integer number (5038338903820).

Almost surely, 2^{40040791360663} is an apocalyptic number.

40040791360663 is a deficient number, since it is larger than the sum of its proper divisors (265919869897).

40040791360663 is a wasteful number, since it uses less digits than its factorization.

40040791360663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928217.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The spelling of 40040791360663 in words is "forty trillion, forty billion, seven hundred ninety-one million, three hundred sixty thousand, six hundred sixty-three".