40816627635243 has 12 divisors (see below), whose sum is σ = 56891228943080. Its totient is φ = 26027994433056.

The previous prime is 40816627635229. The next prime is 40816627635299. The reversal of 40816627635243 is 34253672661804.

It is not a de Polignac number, because 40816627635243 - 2¹⁰ = 40816627634219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40816627630243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12859679458 + ... + 12859682631.

Almost surely, 2^{40816627635243} is an apocalyptic number.

40816627635243 is a deficient number, since it is larger than the sum of its proper divisors (16074601307837).

40816627635243 is a wasteful number, since it uses less digits than its factorization.

40816627635243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25719362138 (or 25719362115 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 57.

The spelling of 40816627635243 in words is "forty trillion, eight hundred sixteen billion, six hundred twenty-seven million, six hundred thirty-five thousand, two hundred forty-three".