40345224 has 32 divisors (see below), whose sum is σ = 101200320. Its totient is φ = 13403456.

The previous prime is 40345219. The next prime is 40345231. The reversal of 40345224 is 42254304.

40345224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40345224² = 3255474199220352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 40345194 and 40345203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4957 + ... + 10259.

It is an arithmetic number, because the mean of its divisors is an integer number (3162510).

Almost surely, 2^40345224 is an apocalyptic number.

It is an amenable number.

40345224 is an abundant number, since it is smaller than the sum of its proper divisors (60855096).

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

40345224 is a wasteful number, since it uses less digits than its factorization.

40345224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629 (or 5625 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 40345224 is about 6351.7890393180. The cubic root of 40345224 is about 342.9762469137.

Adding to 40345224 its reverse (42254304), we get a palindrome (82599528).

The spelling of 40345224 in words is "forty million, three hundred forty-five thousand, two hundred twenty-four".