40225857 has 8 divisors (see below), whose sum is σ = 61296576. Its totient is φ = 22986192.

The previous prime is 40225849. The next prime is 40225891. The reversal of 40225857 is 75852204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40225857 - 2³ = 40225849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40225807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957738 + ... + 957779.

It is an arithmetic number, because the mean of its divisors is an integer number (7662072).

Almost surely, 2^40225857 is an apocalyptic number.

It is an amenable number.

40225857 is a deficient number, since it is larger than the sum of its proper divisors (21070719).

40225857 is a wasteful number, since it uses less digits than its factorization.

40225857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915527.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 40225857 is about 6342.3857498579. The cubic root of 40225857 is about 342.6376650138.

The spelling of 40225857 in words is "forty million, two hundred twenty-five thousand, eight hundred fifty-seven".