40242459 has 8 divisors (see below), whose sum is σ = 55506960. Its totient is φ = 25903136.

The previous prime is 40242457. The next prime is 40242469. The reversal of 40242459 is 95424204.

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

It is a cyclic number.

It is not a de Polignac number, because 40242459 - 2¹ = 40242457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40242457) 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, 231192 + ... + 231365.

It is an arithmetic number, because the mean of its divisors is an integer number (6938370).

Almost surely, 2^40242459 is an apocalyptic number.

40242459 is a deficient number, since it is larger than the sum of its proper divisors (15264501).

40242459 is a wasteful number, since it uses less digits than its factorization.

40242459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462589.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40242459 is about 6343.6944283280. The cubic root of 40242459 is about 342.6847962915.

The spelling of 40242459 in words is "forty million, two hundred forty-two thousand, four hundred fifty-nine".