1044020452 has 12 divisors (see below), whose sum is σ = 1827832636. Its totient is φ = 521782560.

The previous prime is 1044020441. The next prime is 1044020459. The reversal of 1044020452 is 2540204401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 320195236 + 723825216 = 17894^2 + 26904^2 .

It is not an unprimeable number, because it can be changed into a prime (1044020459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46383 + ... + 65110.

Almost surely, 2^1044020452 is an apocalyptic number.

It is an amenable number.

1044020452 is a deficient number, since it is larger than the sum of its proper divisors (783812184).

1044020452 is a wasteful number, since it uses less digits than its factorization.

1044020452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113838 (or 113836 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1044020452 is about 32311.3053280117. The cubic root of 1044020452 is about 1014.4632887687.

Adding to 1044020452 its reverse (2540204401), we get a palindrome (3584224853).

The spelling of 1044020452 in words is "one billion, forty-four million, twenty thousand, four hundred fifty-two".