40608284 has 12 divisors (see below), whose sum is σ = 72269400. Its totient is φ = 19959888.

The previous prime is 40608247. The next prime is 40608289. The reversal of 40608284 is 48280604.

It is a self number, because there is not a number n which added to its sum of digits gives 40608284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40608289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85799 + ... + 86270.

It is an arithmetic number, because the mean of its divisors is an integer number (6022450).

Almost surely, 2^40608284 is an apocalyptic number.

It is an amenable number.

40608284 is a deficient number, since it is larger than the sum of its proper divisors (31661116).

40608284 is a wasteful number, since it uses less digits than its factorization.

40608284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172132 (or 172130 counting only the distinct ones).

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

The square root of 40608284 is about 6372.4629461457. The cubic root of 40608284 is about 343.7200602464.

Adding to 40608284 its reverse (48280604), we get a palindrome (88888888).

The spelling of 40608284 in words is "forty million, six hundred eight thousand, two hundred eighty-four".