40229374 has 4 divisors (see below), whose sum is σ = 60344064. Its totient is φ = 20114686.

The previous prime is 40229363. The next prime is 40229377. The reversal of 40229374 is 47392204.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40229377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057342 + ... + 10057345.

It is an arithmetic number, because the mean of its divisors is an integer number (15086016).

Almost surely, 2^40229374 is an apocalyptic number.

40229374 is a deficient number, since it is larger than the sum of its proper divisors (20114690).

40229374 is a wasteful number, since it uses less digits than its factorization.

40229374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20114689.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40229374 is about 6342.6630053945. The cubic root of 40229374 is about 342.6476504778.

The spelling of 40229374 in words is "forty million, two hundred twenty-nine thousand, three hundred seventy-four".