40285154 has 48 divisors (see below), whose sum is σ = 76684608. Its totient is φ = 15730848.

The previous prime is 40285103. The next prime is 40285159. The reversal of 40285154 is 45158204.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40285159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131069 + ... + 131375.

It is an arithmetic number, because the mean of its divisors is an integer number (1597596).

Almost surely, 2^40285154 is an apocalyptic number.

40285154 is a deficient number, since it is larger than the sum of its proper divisors (36399454).

40285154 is a wasteful number, since it uses less digits than its factorization.

40285154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 40285154 is about 6347.0586888731. The cubic root of 40285154 is about 342.8059432640.

The spelling of 40285154 in words is "forty million, two hundred eighty-five thousand, one hundred fifty-four".