40634046 has 96 divisors (see below), whose sum is σ = 101930400. Its totient is φ = 11612160.

The previous prime is 40634021. The next prime is 40634053. The reversal of 40634046 is 64043604.

It is a happy number.

40634046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40634046² = 3302251388660232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168486 + ... + 168726.

It is an arithmetic number, because the mean of its divisors is an integer number (1061775).

Almost surely, 2^40634046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40634046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50965200).

40634046 is an abundant number, since it is smaller than the sum of its proper divisors (61296354).

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

40634046 is a wasteful number, since it uses less digits than its factorization.

40634046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40634046 is about 6374.4839791155. The cubic root of 40634046 is about 343.7927305118.

The spelling of 40634046 in words is "forty million, six hundred thirty-four thousand, forty-six".