1378533466480 has 40 divisors (see below), whose sum is σ = 3205150942032. Its totient is φ = 551402955264.

The previous prime is 1378533466451. The next prime is 1378533466493. The reversal of 1378533466480 is 846643358731.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5180359 + ... + 5439961.

Almost surely, 2^{1378533466480} is an apocalyptic number.

1378533466480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1378533466480 is an abundant number, since it is smaller than the sum of its proper divisors (1826617475552).

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

1378533466480 is a wasteful number, since it uses less digits than its factorization.

1378533466480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325993 (or 325987 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 58.

The spelling of 1378533466480 in words is "one trillion, three hundred seventy-eight billion, five hundred thirty-three million, four hundred sixty-six thousand, four hundred eighty".