1033040442 has 48 divisors (see below), whose sum is σ = 2415614400. Its totient is φ = 293654592.

The previous prime is 1033040399. The next prime is 1033040443. The reversal of 1033040442 is 2440403301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1033040443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49678 + ... + 67334.

It is an arithmetic number, because the mean of its divisors is an integer number (50325300).

Almost surely, 2^1033040442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1033040442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207807200).

1033040442 is an abundant number, since it is smaller than the sum of its proper divisors (1382573958).

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

1033040442 is a wasteful number, since it uses less digits than its factorization.

1033040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17875 (or 17868 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1033040442 is about 32140.9465013089. The cubic root of 1033040442 is about 1010.8943625250.

Adding to 1033040442 its reverse (2440403301), we get a palindrome (3473443743).

The spelling of 1033040442 in words is "one billion, thirty-three million, forty thousand, four hundred forty-two".