40140274 has 8 divisors (see below), whose sum is σ = 63379440. Its totient is φ = 19013796.

The previous prime is 40140259. The next prime is 40140283. The reversal of 40140274 is 47204104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40140274² = 3222483193590152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528124 + ... + 528199.

It is an arithmetic number, because the mean of its divisors is an integer number (7922430).

Almost surely, 2^40140274 is an apocalyptic number.

40140274 is a deficient number, since it is larger than the sum of its proper divisors (23239166).

40140274 is a wasteful number, since it uses less digits than its factorization.

40140274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056344.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 40140274 is about 6335.6352483393. The cubic root of 40140274 is about 342.3944982029.

Adding to 40140274 its reverse (47204104), we get a palindrome (87344378).

The spelling of 40140274 in words is "forty million, one hundred forty thousand, two hundred seventy-four".