40650426 has 12 divisors (see below), whose sum is σ = 88075962. Its totient is φ = 13550136.

The previous prime is 40650413. The next prime is 40650487. The reversal of 40650426 is 62405604.

It is a happy number.

40650426 is a `hidden beast` number, since 4 + 0 + 650 + 4 + 2 + 6 = 666.

40650426 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 only one way, i.e., 40640625 + 9801 = 6375^2 + 99^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40650426.

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 5 ways as a sum of consecutive naturals, for example, 1129161 + ... + 1129196.

Almost surely, 2^40650426 is an apocalyptic number.

40650426 is an abundant number, since it is smaller than the sum of its proper divisors (47425536).

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

40650426 is a wasteful number, since it uses less digits than its factorization.

40650426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258365 (or 2258362 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40650426 is about 6375.7686595422. The cubic root of 40650426 is about 343.8389197625.

The spelling of 40650426 in words is "forty million, six hundred fifty thousand, four hundred twenty-six".