1303764860640 has 96 divisors (see below), whose sum is σ = 4480210175616. Its totient is φ = 316064207360.

The previous prime is 1303764860633. The next prime is 1303764860747. The reversal of 1303764860640 is 460684673031.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1303764860640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123457302 + ... + 123467861.

It is an arithmetic number, because the mean of its divisors is an integer number (46668855996).

Almost surely, 2^{1303764860640} is an apocalyptic number.

1303764860640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303764860640 is an abundant number, since it is smaller than the sum of its proper divisors (3176445314976).

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

1303764860640 is a wasteful number, since it uses less digits than its factorization.

1303764860640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246925192 (or 246925184 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 1303764860640 in words is "one trillion, three hundred three billion, seven hundred sixty-four million, eight hundred sixty thousand, six hundred forty".