40749834 has 16 divisors (see below), whose sum is σ = 82222272. Its totient is φ = 13462848.

The previous prime is 40749823. The next prime is 40749857. The reversal of 40749834 is 43894704.

40749834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40749792 and 40749801.

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 7 ways as a sum of consecutive naturals, for example, 29374 + ... + 30729.

It is an arithmetic number, because the mean of its divisors is an integer number (5138892).

Almost surely, 2^40749834 is an apocalyptic number.

40749834 is an abundant number, since it is smaller than the sum of its proper divisors (41472438).

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

40749834 is a wasteful number, since it uses less digits than its factorization.

40749834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60221.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 40749834 is about 6383.5596652651. The cubic root of 40749834 is about 344.1189702527.

The spelling of 40749834 in words is "forty million, seven hundred forty-nine thousand, eight hundred thirty-four".