1346256880 has 40 divisors (see below), whose sum is σ = 3159320112. Its totient is φ = 533466624.

The previous prime is 1346256851. The next prime is 1346256881. The reversal of 1346256880 is 886526431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346256881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70077 + ... + 87196.

Almost surely, 2^1346256880 is an apocalyptic number.

1346256880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346256880 is an abundant number, since it is smaller than the sum of its proper divisors (1813063232).

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

1346256880 is a wasteful number, since it uses less digits than its factorization.

1346256880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157393 (or 157387 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 1346256880 is about 36691.3733730423. The cubic root of 1346256880 is about 1104.1870394785.

The spelling of 1346256880 in words is "one billion, three hundred forty-six million, two hundred fifty-six thousand, eight hundred eighty".