1303400043340 has 48 divisors (see below), whose sum is σ = 2772088673760. Its totient is φ = 514712084480.

The previous prime is 1303400043317. The next prime is 1303400043347. The reversal of 1303400043340 is 433400043031.

It is not an unprimeable number, because it can be changed into a prime (1303400043347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2060310 + ... + 2617570.

It is an arithmetic number, because the mean of its divisors is an integer number (57751847370).

Almost surely, 2^{1303400043340} is an apocalyptic number.

1303400043340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303400043340 is an abundant number, since it is smaller than the sum of its proper divisors (1468688630420).

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

1303400043340 is a wasteful number, since it uses less digits than its factorization.

1303400043340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558762 (or 558760 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 1303400043340 its reverse (433400043031), we get a palindrome (1736800086371).

The spelling of 1303400043340 in words is "one trillion, three hundred three billion, four hundred million, forty-three thousand, three hundred forty".