40043805260 has 24 divisors (see below), whose sum is σ = 84110001696. Its totient is φ = 16014091520.

The previous prime is 40043805251. The next prime is 40043805283. The reversal of 40043805260 is 6250834004.

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 7 ways as a sum of consecutive naturals, for example, 117632 + ... + 306471.

It is an arithmetic number, because the mean of its divisors is an integer number (3504583404).

Almost surely, 2^40043805260 is an apocalyptic number.

It is an amenable number.

40043805260 is an abundant number, since it is smaller than the sum of its proper divisors (44066196436).

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

40043805260 is a wasteful number, since it uses less digits than its factorization.

40043805260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428833 (or 428831 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 40043805260 in words is "forty billion, forty-three million, eight hundred five thousand, two hundred sixty".