40628282 has 8 divisors (see below), whose sum is σ = 60995700. Its totient is φ = 20296384.

The previous prime is 40628267. The next prime is 40628293. The reversal of 40628282 is 28282604.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28718881 + 11909401 = 5359^2 + 3451^2 .

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

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, 5807 + ... + 10722.

Almost surely, 2^40628282 is an apocalyptic number.

40628282 is a deficient number, since it is larger than the sum of its proper divisors (20367418).

40628282 is a wasteful number, since it uses less digits than its factorization.

40628282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17760.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 40628282 is about 6374.0318480535. The cubic root of 40628282 is about 343.7764739060.

The spelling of 40628282 in words is "forty million, six hundred twenty-eight thousand, two hundred eighty-two".