40043024 has 40 divisors (see below), whose sum is σ = 93886848. Its totient is φ = 16151040.

The previous prime is 40042993. The next prime is 40043063. The reversal of 40043024 is 42034004.

40043024 = T₄₅₇ + T₄₅₈ + ... + T₆₉₄.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 40042993 and 40043011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8612 + ... + 12419.

Almost surely, 2^40043024 is an apocalyptic number.

It is an amenable number.

40043024 is an abundant number, since it is smaller than the sum of its proper divisors (53843824).

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

40043024 is a wasteful number, since it uses less digits than its factorization.

40043024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21063 (or 21057 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40043024 is about 6327.9557520577. The cubic root of 40043024 is about 342.1177620746.

Adding to 40043024 its reverse (42034004), we get a palindrome (82077028).

The spelling of 40043024 in words is "forty million, forty-three thousand, twenty-four".