40086459 has 36 divisors (see below), whose sum is σ = 71331624. Its totient is φ = 21555072.

The previous prime is 40086443. The next prime is 40086461. The reversal of 40086459 is 95468004.

40086459 is a `hidden beast` number, since 4 + 0 + 0 + 8 + 645 + 9 = 666.

It is not a de Polignac number, because 40086459 - 2⁴ = 40086443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40086419) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4824 + ... + 10170.

It is an arithmetic number, because the mean of its divisors is an integer number (1981434).

Almost surely, 2^40086459 is an apocalyptic number.

40086459 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40086459 is a deficient number, since it is larger than the sum of its proper divisors (31245165).

40086459 is a wasteful number, since it uses less digits than its factorization.

40086459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384 (or 5374 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 40086459 is about 6331.3868149087. The cubic root of 40086459 is about 342.2414166997.

The spelling of 40086459 in words is "forty million, eighty-six thousand, four hundred fifty-nine".