1003450340 has 12 divisors (see below), whose sum is σ = 2107245756. Its totient is φ = 401380128.

The previous prime is 1003450333. The next prime is 1003450361. The reversal of 1003450340 is 430543001.

It can be written as a sum of positive squares in 2 ways, for example, as 153611236 + 849839104 = 12394^2 + 29152^2 .

It is a super-2 number, since 2×1003450340² = 2013825169692231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 50172517 = 1003450340 / (1 + 0 + 0 + 3 + 4 + 5 + 0 + 3 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25086239 + ... + 25086278.

It is an arithmetic number, because the mean of its divisors is an integer number (175603813).

Almost surely, 2^1003450340 is an apocalyptic number.

1003450340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003450340 is an abundant number, since it is smaller than the sum of its proper divisors (1103795416).

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

1003450340 is a wasteful number, since it uses less digits than its factorization.

1003450340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50172526 (or 50172524 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1003450340 is about 31677.2842901660. The cubic root of 1003450340 is about 1001.1487931024.

Adding to 1003450340 its reverse (430543001), we get a palindrome (1433993341).

The spelling of 1003450340 in words is "one billion, three million, four hundred fifty thousand, three hundred forty".