1377328750080 has 640 divisors, whose sum is σ = 4881349287936. Its totient is φ = 329750937600.

The previous prime is 1377328750079. The next prime is 1377328750241. The reversal of 1377328750080 is 800578237731.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 287360164 + ... + 287364956.

Almost surely, 2^{1377328750080} is an apocalyptic number.

1377328750080 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 1377328750080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2440674643968).

1377328750080 is an abundant number, since it is smaller than the sum of its proper divisors (3504020537856).

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

1377328750080 is a wasteful number, since it uses less digits than its factorization.

1377328750080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4938 (or 4922 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 1377328750080 in words is "one trillion, three hundred seventy-seven billion, three hundred twenty-eight million, seven hundred fifty thousand, eighty".