1346849280 has 360 divisors, whose sum is σ = 5430620052. Its totient is φ = 307593216.

The previous prime is 1346849279. The next prime is 1346849353. The reversal of 1346849280 is 829486431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1341317376 + 5531904 = 36624^2 + 2352^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1128364 + ... + 1129556.

Almost surely, 2^1346849280 is an apocalyptic number.

1346849280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1346849280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2715310026).

1346849280 is an abundant number, since it is smaller than the sum of its proper divisors (4083770772).

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

1346849280 is a wasteful number, since it uses less digits than its factorization.

1346849280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 1346849280 is about 36699.4452274145. The cubic root of 1346849280 is about 1104.3489760030.

The spelling of 1346849280 in words is "one billion, three hundred forty-six million, eight hundred forty-nine thousand, two hundred eighty".