40503224 has 8 divisors (see below), whose sum is σ = 75943560. Its totient is φ = 20251608.

The previous prime is 40503187. The next prime is 40503233. The reversal of 40503224 is 42230504.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40503224² = 3281022308788352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40503196 and 40503205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2531444 + ... + 2531459.

It is an arithmetic number, because the mean of its divisors is an integer number (9492945).

Almost surely, 2^40503224 is an apocalyptic number.

It is an amenable number.

40503224 is a deficient number, since it is larger than the sum of its proper divisors (35440336).

40503224 is a wasteful number, since it uses less digits than its factorization.

40503224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062909 (or 5062905 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40503224 is about 6364.2143270006. The cubic root of 40503224 is about 343.4233850149.

Adding to 40503224 its reverse (42230504), we get a palindrome (82733728).

The spelling of 40503224 in words is "forty million, five hundred three thousand, two hundred twenty-four".