40468857 has 64 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 20505600.

The previous prime is 40468853. The next prime is 40468859. The reversal of 40468857 is 75886404.

It is not a de Polignac number, because 40468857 - 2² = 40468853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40468853) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225994 + ... + 226172.

It is an arithmetic number, because the mean of its divisors is an integer number (1088640).

Almost surely, 2^40468857 is an apocalyptic number.

It is an amenable number.

40468857 is a deficient number, since it is larger than the sum of its proper divisors (29204103).

40468857 is a wasteful number, since it uses less digits than its factorization.

40468857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 40468857 is about 6361.5137349533. The cubic root of 40468857 is about 343.3262259083.

The spelling of 40468857 in words is "forty million, four hundred sixty-eight thousand, eight hundred fifty-seven".