40414891 has 4 divisors (see below), whose sum is σ = 44088984. Its totient is φ = 36740800.

The previous prime is 40414867. The next prime is 40414897. The reversal of 40414891 is 19841404.

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

It is a cyclic number.

It is not a de Polignac number, because 40414891 - 2⁹ = 40414379 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40414897) 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, 1837030 + ... + 1837051.

It is an arithmetic number, because the mean of its divisors is an integer number (11022246).

Almost surely, 2^40414891 is an apocalyptic number.

40414891 is a deficient number, since it is larger than the sum of its proper divisors (3674093).

40414891 is a wasteful number, since it uses less digits than its factorization.

40414891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674092.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 40414891 is about 6357.2707194204. The cubic root of 40414891 is about 343.1735473107.

The spelling of 40414891 in words is "forty million, four hundred fourteen thousand, eight hundred ninety-one".