40351224 has 32 divisors (see below), whose sum is σ = 101923920. Its totient is φ = 13310976.

The previous prime is 40351187. The next prime is 40351237. The reversal of 40351224 is 42215304.

It is a self number, because there is not a number n which added to its sum of digits gives 40351224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6339 + ... + 10994.

Almost surely, 2^40351224 is an apocalyptic number.

It is an amenable number.

40351224 is an abundant number, since it is smaller than the sum of its proper divisors (61572696).

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

40351224 is a wasteful number, since it uses less digits than its factorization.

40351224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17439 (or 17435 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40351224 is about 6352.2613296369. The cubic root of 40351224 is about 342.9932481452.

Adding to 40351224 its reverse (42215304), we get a palindrome (82566528).

The spelling of 40351224 in words is "forty million, three hundred fifty-one thousand, two hundred twenty-four".