40690224 has 30 divisors (see below), whose sum is σ = 113876516. Its totient is φ = 13563360.

The previous prime is 40690217. The next prime is 40690249. The reversal of 40690224 is 42209604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141142 + ... + 141429.

Almost surely, 2^40690224 is an apocalyptic number.

It is an amenable number.

40690224 is an abundant number, since it is smaller than the sum of its proper divisors (73186292).

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

40690224 is a wasteful number, since it uses less digits than its factorization.

40690224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282585 (or 282576 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40690224 is about 6378.8889314676. Note that the first 3 decimals coincide. The cubic root of 40690224 is about 343.9510927406.

Adding to 40690224 its reverse (42209604), we get a palindrome (82899828).

The spelling of 40690224 in words is "forty million, six hundred ninety thousand, two hundred twenty-four".