40260246864 has 20 divisors (see below), whose sum is σ = 104005637856. Its totient is φ = 13420082272.

The previous prime is 40260246853. The next prime is 40260246893. The reversal of 40260246864 is 46864206204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419377524 + ... + 419377619.

Almost surely, 2^40260246864 is an apocalyptic number.

It is an amenable number.

40260246864 is an abundant number, since it is smaller than the sum of its proper divisors (63745390992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40260246864 is a wasteful number, since it uses less digits than its factorization.

40260246864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838755154 (or 838755148 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 40260246864 in words is "forty billion, two hundred sixty million, two hundred forty-six thousand, eight hundred sixty-four".