40865898493 has 16 divisors (see below), whose sum is σ = 47077632000. Its totient is φ = 34748444016.

The previous prime is 40865898487. The next prime is 40865898523. The reversal of 40865898493 is 39489856804.

It is a cyclic number.

It is not a de Polignac number, because 40865898493 - 2⁹ = 40865897981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40865890493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553258 + ... + 622756.

It is an arithmetic number, because the mean of its divisors is an integer number (2942352000).

Almost surely, 2^40865898493 is an apocalyptic number.

It is an amenable number.

40865898493 is a deficient number, since it is larger than the sum of its proper divisors (6211733507).

40865898493 is a wasteful number, since it uses less digits than its factorization.

40865898493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70176.

The product of its (nonzero) digits is 59719680, while the sum is 64.

The spelling of 40865898493 in words is "forty billion, eight hundred sixty-five million, eight hundred ninety-eight thousand, four hundred ninety-three".