40625228 has 24 divisors (see below), whose sum is σ = 81393312. Its totient is φ = 17380224.

The previous prime is 40625213. The next prime is 40625243. The reversal of 40625228 is 82252604.

40625228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40625213) and next prime (40625243).

It is a self number, because there is not a number n which added to its sum of digits gives 40625228.

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 7 ways as a sum of consecutive naturals, for example, 23150 + ... + 24842.

It is an arithmetic number, because the mean of its divisors is an integer number (3391388).

Almost surely, 2^40625228 is an apocalyptic number.

It is an amenable number.

40625228 is an abundant number, since it is smaller than the sum of its proper divisors (40768084).

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

40625228 is a wasteful number, since it uses less digits than its factorization.

40625228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 40625228 is about 6373.7922777574. The cubic root of 40625228 is about 343.7678598765.

The spelling of 40625228 in words is "forty million, six hundred twenty-five thousand, two hundred twenty-eight".