40274242 has 16 divisors (see below), whose sum is σ = 63296640. Its totient is φ = 19182592.

The previous prime is 40274237. The next prime is 40274249. The reversal of 40274242 is 24247204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40274249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10434 + ... + 13762.

It is an arithmetic number, because the mean of its divisors is an integer number (3956040).

Almost surely, 2^40274242 is an apocalyptic number.

40274242 is a deficient number, since it is larger than the sum of its proper divisors (23022398).

40274242 is a wasteful number, since it uses less digits than its factorization.

40274242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 40274242 is about 6346.1990198858. The cubic root of 40274242 is about 342.7749886329.

The spelling of 40274242 in words is "forty million, two hundred seventy-four thousand, two hundred forty-two".