40867894 has 8 divisors (see below), whose sum is σ = 61428168. Its totient is φ = 20391840.

The previous prime is 40867891. The next prime is 40867903. The reversal of 40867894 is 49876804.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40867891) 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, 19827 + ... + 21790.

It is an arithmetic number, because the mean of its divisors is an integer number (7678521).

Almost surely, 2^40867894 is an apocalyptic number.

40867894 is a deficient number, since it is larger than the sum of its proper divisors (20560274).

40867894 is a wasteful number, since it uses less digits than its factorization.

40867894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42110.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 40867894 is about 6392.8001689401. The cubic root of 40867894 is about 344.4509758117.

The spelling of 40867894 in words is "forty million, eight hundred sixty-seven thousand, eight hundred ninety-four".