40426338 has 32 divisors (see below), whose sum is σ = 85789440. Its totient is φ = 12664080.

The previous prime is 40426283. The next prime is 40426339. The reversal of 40426338 is 83362404.

40426338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40426339) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13581 + ... + 16287.

It is an arithmetic number, because the mean of its divisors is an integer number (2680920).

Almost surely, 2^40426338 is an apocalyptic number.

40426338 is an abundant number, since it is smaller than the sum of its proper divisors (45363102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40426338 is a wasteful number, since it uses less digits than its factorization.

40426338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 40426338 is about 6358.1709634139. The cubic root of 40426338 is about 343.2059440888.

The spelling of 40426338 in words is "forty million, four hundred twenty-six thousand, three hundred thirty-eight".