1377265228280 has 64 divisors (see below), whose sum is σ = 3109410720000. Its totient is φ = 549029505024.

The previous prime is 1377265228277. The next prime is 1377265228301. The reversal of 1377265228280 is 828225627731.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32317226 + ... + 32359814.

It is an arithmetic number, because the mean of its divisors is an integer number (48584542500).

Almost surely, 2^{1377265228280} is an apocalyptic number.

1377265228280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377265228280 is an abundant number, since it is smaller than the sum of its proper divisors (1732145491720).

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

1377265228280 is a wasteful number, since it uses less digits than its factorization.

1377265228280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45336 (or 45332 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 1377265228280 in words is "one trillion, three hundred seventy-seven billion, two hundred sixty-five million, two hundred twenty-eight thousand, two hundred eighty".