40867945 has 8 divisors (see below), whose sum is σ = 49258944. Its totient is φ = 32549424.

The previous prime is 40867927. The next prime is 40867961. The reversal of 40867945 is 54976804.

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

It is a cyclic number.

It is not a de Polignac number, because 40867945 - 2⁵ = 40867913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16869 + ... + 19138.

It is an arithmetic number, because the mean of its divisors is an integer number (6157368).

Almost surely, 2^40867945 is an apocalyptic number.

It is an amenable number.

40867945 is a deficient number, since it is larger than the sum of its proper divisors (8390999).

40867945 is a wasteful number, since it uses less digits than its factorization.

40867945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36239.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 40867945 is about 6392.8041578012. The cubic root of 40867945 is about 344.4511190945.

The spelling of 40867945 in words is "forty million, eight hundred sixty-seven thousand, nine hundred forty-five".