1040045200 has 30 divisors (see below), whose sum is σ = 2498709554. Its totient is φ = 416017920.

The previous prime is 1040045147. The next prime is 1040045207. The reversal of 1040045200 is 25400401.

It can be written as a sum of positive squares in 3 ways, for example, as 369664 + 1039675536 = 608^2 + 32244^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1040045207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1299657 + ... + 1300456.

Almost surely, 2^1040045200 is an apocalyptic number.

1040045200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040045200 is an abundant number, since it is smaller than the sum of its proper divisors (1458664354).

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

1040045200 is a wasteful number, since it uses less digits than its factorization.

1040045200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600131 (or 2600120 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1040045200 is about 32249.7317818304. The cubic root of 1040045200 is about 1013.1740814297.

Adding to 1040045200 its reverse (25400401), we get a palindrome (1065445601).

The spelling of 1040045200 in words is "one billion, forty million, forty-five thousand, two hundred".