40190274 has 12 divisors (see below), whose sum is σ = 87078966. Its totient is φ = 13396752.

The previous prime is 40190257. The next prime is 40190299. The reversal of 40190274 is 47209104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30173049 + 10017225 = 5493^2 + 3165^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1116379 + ... + 1116414.

Almost surely, 2^40190274 is an apocalyptic number.

40190274 is an abundant number, since it is smaller than the sum of its proper divisors (46888692).

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

40190274 is a wasteful number, since it uses less digits than its factorization.

40190274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232801 (or 2232798 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 40190274 is about 6339.5799545396. The cubic root of 40190274 is about 342.5366050350.

Adding to 40190274 its reverse (47209104), we get a palindrome (87399378).

The spelling of 40190274 in words is "forty million, one hundred ninety thousand, two hundred seventy-four".