40431459 has 8 divisors (see below), whose sum is σ = 54025920. Its totient is φ = 26895656.

The previous prime is 40431439. The next prime is 40431467. The reversal of 40431459 is 95413404.

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 40431459 - 2¹³ = 40423267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40431439) 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, 13029 + ... + 15830.

It is an arithmetic number, because the mean of its divisors is an integer number (6753240).

Almost surely, 2^40431459 is an apocalyptic number.

40431459 is a deficient number, since it is larger than the sum of its proper divisors (13594461).

40431459 is a wasteful number, since it uses less digits than its factorization.

40431459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29329.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40431459 is about 6358.5736608142. The cubic root of 40431459 is about 343.2204353299.

The spelling of 40431459 in words is "forty million, four hundred thirty-one thousand, four hundred fifty-nine".