1377377734960 has 40 divisors (see below), whose sum is σ = 3225778465536. Its totient is φ = 546929548800.

The previous prime is 1377377734919. The next prime is 1377377734961. The reversal of 1377377734960 is 694377737731.

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

It is a junction number, because it is equal to n+sod(n) for n = 1377377734892 and 1377377734901.

It is not an unprimeable number, because it can be changed into a prime (1377377734961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62825616 + ... + 62847535.

Almost surely, 2^{1377377734960} is an apocalyptic number.

1377377734960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1377377734960 is an abundant number, since it is smaller than the sum of its proper divisors (1848400730576).

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

1377377734960 is a wasteful number, since it uses less digits than its factorization.

1377377734960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125673301 (or 125673295 counting only the distinct ones).

The product of its (nonzero) digits is 98018424, while the sum is 64.

The spelling of 1377377734960 in words is "one trillion, three hundred seventy-seven billion, three hundred seventy-seven million, seven hundred thirty-four thousand, nine hundred sixty".