1355980884 has 24 divisors (see below), whose sum is σ = 3249468768. Its totient is φ = 439777440.

The previous prime is 1355980799. The next prime is 1355980909. The reversal of 1355980884 is 4880895531.

It is a congruent number.

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, 1526562 + ... + 1527449.

It is an arithmetic number, because the mean of its divisors is an integer number (135394532).

Almost surely, 2^1355980884 is an apocalyptic number.

It is an amenable number.

1355980884 is an abundant number, since it is smaller than the sum of its proper divisors (1893487884).

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

1355980884 is a wasteful number, since it uses less digits than its factorization.

1355980884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054055 (or 3054053 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The square root of 1355980884 is about 36823.6457184782. The cubic root of 1355980884 is about 1106.8391759833.

The spelling of 1355980884 in words is "one billion, three hundred fifty-five million, nine hundred eighty thousand, eight hundred eighty-four".