40459859 has 6 divisors (see below), whose sum is σ = 44472540. Its totient is φ = 36781580.

The previous prime is 40459849. The next prime is 40459871. The reversal of 40459859 is 95895404.

It is a de Polignac number, because none of the positive numbers 2^k-40459859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40459849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167069 + ... + 167310.

It is an arithmetic number, because the mean of its divisors is an integer number (7412090).

Almost surely, 2^40459859 is an apocalyptic number.

40459859 is a deficient number, since it is larger than the sum of its proper divisors (4012681).

40459859 is a wasteful number, since it uses less digits than its factorization.

40459859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334401 (or 334390 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 40459859 is about 6360.8064740251. The cubic root of 40459859 is about 343.3007785347.

The spelling of 40459859 in words is "forty million, four hundred fifty-nine thousand, eight hundred fifty-nine".