40742274 has 32 divisors (see below), whose sum is σ = 86365440. Its totient is φ = 12790400.

The previous prime is 40742257. The next prime is 40742281. The reversal of 40742274 is 47224704.

40742274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 4279 + ... + 9989.

It is an arithmetic number, because the mean of its divisors is an integer number (2698920).

Almost surely, 2^40742274 is an apocalyptic number.

40742274 is an abundant number, since it is smaller than the sum of its proper divisors (45623166).

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

40742274 is a wasteful number, since it uses less digits than its factorization.

40742274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 40742274 is about 6382.9674916922. The cubic root of 40742274 is about 344.0976883639.

Adding to 40742274 its reverse (47224704), we get a palindrome (87966978).

The spelling of 40742274 in words is "forty million, seven hundred forty-two thousand, two hundred seventy-four".