40228626 has 32 divisors (see below), whose sum is σ = 85276800. Its totient is φ = 12629120.

The previous prime is 40228577. The next prime is 40228631. The reversal of 40228626 is 62682204.

40228626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40228593 and 40228602.

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 15 ways as a sum of consecutive naturals, for example, 4315 + ... + 9953.

It is an arithmetic number, because the mean of its divisors is an integer number (2664900).

Almost surely, 2^40228626 is an apocalyptic number.

40228626 is an abundant number, since it is smaller than the sum of its proper divisors (45048174).

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

40228626 is a wasteful number, since it uses less digits than its factorization.

40228626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5714.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 40228626 is about 6342.6040393517. The cubic root of 40228626 is about 342.6455268055.

The spelling of 40228626 in words is "forty million, two hundred twenty-eight thousand, six hundred twenty-six".