1302813425680 has 40 divisors (see below), whose sum is σ = 3262044387672. Its totient is φ = 481038802944.

The previous prime is 1302813425659. The next prime is 1302813425681. The reversal of 1302813425680 is 865243182031.

It can be written as a sum of positive squares in 4 ways, for example, as 220344336 + 1302593081344 = 14844^2 + 1141312^2 .

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

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1302813425681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626351569 + ... + 626353648.

Almost surely, 2^{1302813425680} is an apocalyptic number.

1302813425680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302813425680 is an abundant number, since it is smaller than the sum of its proper divisors (1959230961992).

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

1302813425680 is a wasteful number, since it uses less digits than its factorization.

1302813425680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252705243 (or 1252705237 counting only the distinct ones).

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

The spelling of 1302813425680 in words is "one trillion, three hundred two billion, eight hundred thirteen million, four hundred twenty-five thousand, six hundred eighty".