1040420033 has 4 divisors (see below), whose sum is σ = 1044176340. Its totient is φ = 1036663728.

The previous prime is 1040420027. The next prime is 1040420063. The reversal of 1040420033 is 3300240401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 582160384 + 458259649 = 24128^2 + 21407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040420033 - 2⁶ = 1040419969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040419993 and 1040420020.

It is not an unprimeable number, because it can be changed into a prime (1040420063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1877738 + ... + 1878291.

It is an arithmetic number, because the mean of its divisors is an integer number (261044085).

Almost surely, 2^1040420033 is an apocalyptic number.

It is an amenable number.

1040420033 is a deficient number, since it is larger than the sum of its proper divisors (3756307).

1040420033 is an equidigital number, since it uses as much as digits as its factorization.

1040420033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756306.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1040420033 is about 32255.5426709891. The cubic root of 1040420033 is about 1013.2957830206.

Adding to 1040420033 its reverse (3300240401), we get a palindrome (4340660434).

The spelling of 1040420033 in words is "one billion, forty million, four hundred twenty thousand, thirty-three".