40274243 has 12 divisors (see below), whose sum is σ = 43982640. Its totient is φ = 36829296.

The previous prime is 40274237. The next prime is 40274249. The reversal of 40274243 is 34247204.

It is an interprime number because it is at equal distance from previous prime (40274237) and next prime (40274249).

It is not a de Polignac number, because 40274243 - 2²⁴ = 23497027 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8546 + ... + 12392.

It is an arithmetic number, because the mean of its divisors is an integer number (3665220).

Almost surely, 2^40274243 is an apocalyptic number.

40274243 is a deficient number, since it is larger than the sum of its proper divisors (3708397).

40274243 is a wasteful number, since it uses less digits than its factorization.

40274243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914 (or 3895 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 40274243 is about 6346.1990986732. The cubic root of 40274243 is about 342.7749914699.

The spelling of 40274243 in words is "forty million, two hundred seventy-four thousand, two hundred forty-three".