40890224 has 10 divisors (see below), whose sum is σ = 79224840. Its totient is φ = 20445104.

The previous prime is 40890211. The next prime is 40890233. The reversal of 40890224 is 42209804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277804 + ... + 1277835.

It is an arithmetic number, because the mean of its divisors is an integer number (7922484).

Almost surely, 2^40890224 is an apocalyptic number.

It is an amenable number.

40890224 is a deficient number, since it is larger than the sum of its proper divisors (38334616).

40890224 is a wasteful number, since it uses less digits than its factorization.

40890224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555647 (or 2555641 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 40890224 is about 6394.5464264481. The cubic root of 40890224 is about 344.5136997830.

It can be divided in two parts, 40890 and 224, that added together give a palindrome (41114).

The spelling of 40890224 in words is "forty million, eight hundred ninety thousand, two hundred twenty-four".