1013043400 has 24 divisors (see below), whose sum is σ = 2355326370. Its totient is φ = 405217280.

The previous prime is 1013043377. The next prime is 1013043403. The reversal of 1013043400 is 43403101.

It can be written as a sum of positive squares in 3 ways, for example, as 776068164 + 236975236 = 27858^2 + 15394^2 .

It is not an unprimeable number, because it can be changed into a prime (1013043403) 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 5 ways as a sum of consecutive naturals, for example, 2532409 + ... + 2532808.

Almost surely, 2^1013043400 is an apocalyptic number.

1013043400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013043400 is an abundant number, since it is smaller than the sum of its proper divisors (1342282970).

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

1013043400 is a wasteful number, since it uses less digits than its factorization.

1013043400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065233 (or 5065224 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1013043400 is about 31828.3427152593. The cubic root of 1013043400 is about 1004.3290324354.

Adding to 1013043400 its reverse (43403101), we get a palindrome (1056446501).

The spelling of 1013043400 in words is "one billion, thirteen million, forty-three thousand, four hundred".