40618867 has 8 divisors (see below), whose sum is σ = 41395680. Its totient is φ = 39849600.

The previous prime is 40618861. The next prime is 40618891. The reversal of 40618867 is 76881604.

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 40618867 - 2¹¹ = 40616819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40618861) 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, 9634 + ... + 13192.

It is an arithmetic number, because the mean of its divisors is an integer number (5174460).

Almost surely, 2^40618867 is an apocalyptic number.

40618867 is a deficient number, since it is larger than the sum of its proper divisors (776813).

40618867 is a wasteful number, since it uses less digits than its factorization.

40618867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 40618867 is about 6373.2932617290. The cubic root of 40618867 is about 343.7499168264.

The spelling of 40618867 in words is "forty million, six hundred eighteen thousand, eight hundred sixty-seven".