40144324 has 24 divisors (see below), whose sum is σ = 77616000. Its totient is φ = 18014880.

The previous prime is 40144309. The next prime is 40144331. The reversal of 40144324 is 42344104.

It is a super-2 number, since 2×40144324² = 3223133498833952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40144295 and 40144304.

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 7 ways as a sum of consecutive naturals, for example, 2299 + ... + 9250.

It is an arithmetic number, because the mean of its divisors is an integer number (3234000).

Almost surely, 2^40144324 is an apocalyptic number.

40144324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40144324 is a deficient number, since it is larger than the sum of its proper divisors (37471676).

40144324 is a wasteful number, since it uses less digits than its factorization.

40144324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11643 (or 11641 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40144324 is about 6335.9548609503. The cubic root of 40144324 is about 342.4060132471.

Adding to 40144324 its reverse (42344104), we get a palindrome (82488428).

It can be divided in two parts, 4014 and 4324, that added together give a palindrome (8338).

The spelling of 40144324 in words is "forty million, one hundred forty-four thousand, three hundred twenty-four".