40467851 has 4 divisors (see below), whose sum is σ = 40497600. Its totient is φ = 40438104.

The previous prime is 40467839. The next prime is 40467857. The reversal of 40467851 is 15876404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40467851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40467857) 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, 12731 + ... + 15588.

It is an arithmetic number, because the mean of its divisors is an integer number (10124400).

Almost surely, 2^40467851 is an apocalyptic number.

40467851 is a deficient number, since it is larger than the sum of its proper divisors (29749).

40467851 is a wasteful number, since it uses less digits than its factorization.

40467851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29748.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 40467851 is about 6361.4346652308. The cubic root of 40467851 is about 343.3233810125.

The spelling of 40467851 in words is "forty million, four hundred sixty-seven thousand, eight hundred fifty-one".