1311446442460 has 96 divisors (see below), whose sum is σ = 3635582082048. Its totient is φ = 384717665280.

The previous prime is 1311446442437. The next prime is 1311446442533. The reversal of 1311446442460 is 642446441131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25020544 + ... + 25072903.

It is an arithmetic number, because the mean of its divisors is an integer number (37870646688).

Almost surely, 2^{1311446442460} is an apocalyptic number.

1311446442460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311446442460 is an abundant number, since it is smaller than the sum of its proper divisors (2324135639588).

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

1311446442460 is a wasteful number, since it uses less digits than its factorization.

1311446442460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50093491 (or 50093489 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 1311446442460 in words is "one trillion, three hundred eleven billion, four hundred forty-six million, four hundred forty-two thousand, four hundred sixty".