40982879 has 4 divisors (see below), whose sum is σ = 46837584. Its totient is φ = 35128176.

The previous prime is 40982861. The next prime is 40982917. The reversal of 40982879 is 97828904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40982879 - 2¹⁶ = 40917343 is a prime.

It is a super-2 number, since 2×40982879² = 3359192742257282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40982479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2927342 + ... + 2927355.

It is an arithmetic number, because the mean of its divisors is an integer number (11709396).

Almost surely, 2^40982879 is an apocalyptic number.

40982879 is a deficient number, since it is larger than the sum of its proper divisors (5854705).

40982879 is an equidigital number, since it uses as much as digits as its factorization.

40982879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854704.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 40982879 is about 6401.7871723449. The cubic root of 40982879 is about 344.7737198538.

The spelling of 40982879 in words is "forty million, nine hundred eighty-two thousand, eight hundred seventy-nine".