40684854 has 32 divisors (see below), whose sum is σ = 96203520. Its totient is φ = 11223072.

The previous prime is 40684849. The next prime is 40684873. The reversal of 40684854 is 45848604.

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 15 ways as a sum of consecutive naturals, for example, 15484 + ... + 17919.

It is an arithmetic number, because the mean of its divisors is an integer number (3006360).

Almost surely, 2^40684854 is an apocalyptic number.

40684854 is an abundant number, since it is smaller than the sum of its proper divisors (55518666).

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

40684854 is a wasteful number, since it uses less digits than its factorization.

40684854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33444.

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 40684854 is about 6378.4679978816. The cubic root of 40684854 is about 343.9359613532.

The spelling of 40684854 in words is "forty million, six hundred eighty-four thousand, eight hundred fifty-four".