40448634 has 8 divisors (see below), whose sum is σ = 80897280. Its totient is φ = 13482876.

The previous prime is 40448579. The next prime is 40448641. The reversal of 40448634 is 43684404.

40448634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

40448634 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 40448595 and 40448604.

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 3 ways as a sum of consecutive naturals, for example, 3370714 + ... + 3370725.

It is an arithmetic number, because the mean of its divisors is an integer number (10112160).

Almost surely, 2^40448634 is an apocalyptic number.

40448634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40448634 is a wasteful number, since it uses less digits than its factorization.

40448634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6741444.

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 40448634 is about 6359.9240561504. The cubic root of 40448634 is about 343.2690276607.

The spelling of 40448634 in words is "forty million, four hundred forty-eight thousand, six hundred thirty-four".