40406282 has 24 divisors (see below), whose sum is σ = 71207136. Its totient is φ = 17144568.

The previous prime is 40406281. The next prime is 40406321. The reversal of 40406282 is 28260404.

It is not an unprimeable number, because it can be changed into a prime (40406281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8093 + ... + 12095.

It is an arithmetic number, because the mean of its divisors is an integer number (2966964).

Almost surely, 2^40406282 is an apocalyptic number.

40406282 is a deficient number, since it is larger than the sum of its proper divisors (30800854).

40406282 is a wasteful number, since it uses less digits than its factorization.

40406282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122 (or 4115 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 40406282 is about 6356.5935846175. The cubic root of 40406282 is about 343.1491784803.

Adding to 40406282 its reverse (28260404), we get a palindrome (68666686).

The spelling of 40406282 in words is "forty million, four hundred six thousand, two hundred eighty-two".