40947459 has 16 divisors (see below), whose sum is σ = 62725632. Its totient is φ = 23275008.

The previous prime is 40947457. The next prime is 40947463. The reversal of 40947459 is 95474904.

It is not a de Polignac number, because 40947459 - 2¹ = 40947457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40947459.

It is not an unprimeable number, because it can be changed into a prime (40947457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999 + ... + 9104.

It is an arithmetic number, because the mean of its divisors is an integer number (3920352).

Almost surely, 2^40947459 is an apocalyptic number.

40947459 is a deficient number, since it is larger than the sum of its proper divisors (21778173).

40947459 is a wasteful number, since it uses less digits than its factorization.

40947459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10306.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 40947459 is about 6399.0201593682. The cubic root of 40947459 is about 344.6743661298.

The spelling of 40947459 in words is "forty million, nine hundred forty-seven thousand, four hundred fifty-nine".