40268985 has 8 divisors (see below), whose sum is σ = 64430400. Its totient is φ = 21476784.

The previous prime is 40268981. The next prime is 40268993. The reversal of 40268985 is 58986204.

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

It is not a de Polignac number, because 40268985 - 2² = 40268981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40268981) 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, 1342285 + ... + 1342314.

It is an arithmetic number, because the mean of its divisors is an integer number (8053800).

Almost surely, 2^40268985 is an apocalyptic number.

It is an amenable number.

40268985 is a deficient number, since it is larger than the sum of its proper divisors (24161415).

40268985 is a wasteful number, since it uses less digits than its factorization.

40268985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684607.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 40268985 is about 6345.7848214386. The cubic root of 40268985 is about 342.7600738351.

The spelling of 40268985 in words is "forty million, two hundred sixty-eight thousand, nine hundred eighty-five".