40814887 has 4 divisors (see below), whose sum is σ = 40945600. Its totient is φ = 40684176.

The previous prime is 40814881. The next prime is 40814897. The reversal of 40814887 is 78841804.

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 40814887 - 2⁷ = 40814759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40814881) 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, 64887 + ... + 65512.

It is an arithmetic number, because the mean of its divisors is an integer number (10236400).

Almost surely, 2^40814887 is an apocalyptic number.

40814887 is a deficient number, since it is larger than the sum of its proper divisors (130713).

40814887 is a wasteful number, since it uses less digits than its factorization.

40814887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130712.

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 40814887 is about 6388.6529879154. The cubic root of 40814887 is about 344.3019899726.

The spelling of 40814887 in words is "forty million, eight hundred fourteen thousand, eight hundred eighty-seven".