40864894 has 8 divisors (see below), whose sum is σ = 70054128. Its totient is φ = 17513520.

The previous prime is 40864891. The next prime is 40864897. The reversal of 40864894 is 49846804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40864891) and next prime (40864897).

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

It is a self number, because there is not a number n which added to its sum of digits gives 40864894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40864891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459447 + ... + 1459474.

It is an arithmetic number, because the mean of its divisors is an integer number (8756766).

Almost surely, 2^40864894 is an apocalyptic number.

40864894 is a deficient number, since it is larger than the sum of its proper divisors (29189234).

40864894 is a wasteful number, since it uses less digits than its factorization.

40864894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918930.

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 40864894 is about 6392.5655256712. The cubic root of 40864894 is about 344.4425472050.

The spelling of 40864894 in words is "forty million, eight hundred sixty-four thousand, eight hundred ninety-four".