40885857 has 8 divisors (see below), whose sum is σ = 60571680. Its totient is φ = 27257220.

The previous prime is 40885849. The next prime is 40885861. The reversal of 40885857 is 75858804.

It is not a de Polignac number, because 40885857 - 2³ = 40885849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40885837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757119 + ... + 757172.

It is an arithmetic number, because the mean of its divisors is an integer number (7571460).

Almost surely, 2^40885857 is an apocalyptic number.

It is an amenable number.

40885857 is a deficient number, since it is larger than the sum of its proper divisors (19685823).

40885857 is a wasteful number, since it uses less digits than its factorization.

40885857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514300 (or 1514294 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 40885857 is about 6394.2049544881. The cubic root of 40885857 is about 344.5014348719.

The spelling of 40885857 in words is "forty million, eight hundred eighty-five thousand, eight hundred fifty-seven".