40006854 has 24 divisors (see below), whose sum is σ = 87207120. Its totient is φ = 13254768.

The previous prime is 40006843. The next prime is 40006871. The reversal of 40006854 is 45860004.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3649 + ... + 9660.

It is an arithmetic number, because the mean of its divisors is an integer number (3633630).

Almost surely, 2^40006854 is an apocalyptic number.

40006854 is an abundant number, since it is smaller than the sum of its proper divisors (47200266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40006854 is a wasteful number, since it uses less digits than its factorization.

40006854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13484 (or 13481 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 40006854 is about 6325.0971534040. The cubic root of 40006854 is about 342.0147218450.

Adding to 40006854 its reverse (45860004), we get a palindrome (85866858).

The spelling of 40006854 in words is "forty million, six thousand, eight hundred fifty-four".