1343397280 has 48 divisors (see below), whose sum is σ = 3340824480. Its totient is φ = 509075712.

The previous prime is 1343397277. The next prime is 1343397301. The reversal of 1343397280 is 827933431.

It is a super-2 number, since 2×1343397280² = 3609432503822796800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217914 + ... + 223993.

It is an arithmetic number, because the mean of its divisors is an integer number (69600510).

Almost surely, 2^1343397280 is an apocalyptic number.

1343397280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343397280 is an abundant number, since it is smaller than the sum of its proper divisors (1997427200).

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

1343397280 is a wasteful number, since it uses less digits than its factorization.

1343397280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441941 (or 441933 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 1343397280 is about 36652.3843699151. The cubic root of 1343397280 is about 1103.4046797377.

The spelling of 1343397280 in words is "one billion, three hundred forty-three million, three hundred ninety-seven thousand, two hundred eighty".