40004033024 has 20 divisors (see below), whose sum is σ = 79929934194. Its totient is φ = 20002016256.

The previous prime is 40004033023. The next prime is 40004033053. The reversal of 40004033024 is 42033040004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39521440000 + 482593024 = 198800^2 + 21968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40004032987 and 40004033005.

It is not an unprimeable number, because it can be changed into a prime (40004033023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39065927 + ... + 39066950.

Almost surely, 2^40004033024 is an apocalyptic number.

It is an amenable number.

40004033024 is a deficient number, since it is larger than the sum of its proper divisors (39925901170).

40004033024 is an frugal number, since it uses more digits than its factorization.

40004033024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78132895 (or 78132879 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40004033024 its reverse (42033040004), we get a palindrome (82037073028).

The spelling of 40004033024 in words is "forty billion, four million, thirty-three thousand, twenty-four".