40630854 has 32 divisors (see below), whose sum is σ = 93317760. Its totient is φ = 11664000.

The previous prime is 40630853. The next prime is 40630859. The reversal of 40630854 is 45803604.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40630853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14947 + ... + 17454.

It is an arithmetic number, because the mean of its divisors is an integer number (2916180).

Almost surely, 2^40630854 is an apocalyptic number.

40630854 is an abundant number, since it is smaller than the sum of its proper divisors (52686906).

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

40630854 is a wasteful number, since it uses less digits than its factorization.

40630854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32436.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40630854 is about 6374.2336009908. The cubic root of 40630854 is about 343.7837280845.

The spelling of 40630854 in words is "forty million, six hundred thirty thousand, eight hundred fifty-four".