40426920 has 48 divisors (see below), whose sum is σ = 131388660. Its totient is φ = 10780416.

The previous prime is 40426891. The next prime is 40426921. The reversal of 40426920 is 2962404.

40426920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39917124 + 509796 = 6318^2 + 714^2 .

It is not an unprimeable number, because it can be changed into a prime (40426921) 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 11 ways as a sum of consecutive naturals, for example, 55789 + ... + 56508.

Almost surely, 2^40426920 is an apocalyptic number.

40426920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40426920 is an abundant number, since it is smaller than the sum of its proper divisors (90961740).

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

40426920 is a wasteful number, since it uses less digits than its factorization.

40426920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112314 (or 112307 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40426920 is about 6358.2167311283. The cubic root of 40426920 is about 343.2075910754.

The spelling of 40426920 in words is "forty million, four hundred twenty-six thousand, nine hundred twenty".