40420826 has 8 divisors (see below), whose sum is σ = 60763584. Its totient is φ = 20166300.

The previous prime is 40420813. The next prime is 40420837. The reversal of 40420826 is 62802404.

40420826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 40420795 and 40420804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20900 + ... + 22751.

It is an arithmetic number, because the mean of its divisors is an integer number (7595448).

Almost surely, 2^40420826 is an apocalyptic number.

40420826 is a deficient number, since it is larger than the sum of its proper divisors (20342758).

40420826 is a wasteful number, since it uses less digits than its factorization.

40420826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44116.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 40420826 is about 6357.7374906487. The cubic root of 40420826 is about 343.1903450409.

The spelling of 40420826 in words is "forty million, four hundred twenty thousand, eight hundred twenty-six".