40146459 has 8 divisors (see below), whose sum is σ = 53798400. Its totient is φ = 26629416.

The previous prime is 40146451. The next prime is 40146499. The reversal of 40146459 is 95464104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40146459 - 2³ = 40146451 is a prime.

It is a super-2 number, since 2×40146459² = 3223476340477362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40146451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33027 + ... + 34220.

It is an arithmetic number, because the mean of its divisors is an integer number (6724800).

Almost surely, 2^40146459 is an apocalyptic number.

40146459 is a deficient number, since it is larger than the sum of its proper divisors (13651941).

40146459 is a wasteful number, since it uses less digits than its factorization.

40146459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67449.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 40146459 is about 6336.1233416025. The cubic root of 40146459 is about 342.4120832117.

The spelling of 40146459 in words is "forty million, one hundred forty-six thousand, four hundred fifty-nine".