1377440774160 has 320 divisors, whose sum is σ = 4819501817856. Its totient is φ = 322415308800.

The previous prime is 1377440774063. The next prime is 1377440774179. The reversal of 1377440774160 is 614770447731.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36236124 + ... + 36274116.

Almost surely, 2^{1377440774160} is an apocalyptic number.

1377440774160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377440774160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2409750908928).

1377440774160 is an abundant number, since it is smaller than the sum of its proper divisors (3442061043696).

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

1377440774160 is a wasteful number, since it uses less digits than its factorization.

1377440774160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38494 (or 38488 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 51.

The spelling of 1377440774160 in words is "one trillion, three hundred seventy-seven billion, four hundred forty million, seven hundred seventy-four thousand, one hundred sixty".