1377738242608 has 120 divisors (see below), whose sum is σ = 3344692978032. Its totient is φ = 544933412352.

The previous prime is 1377738242567. The next prime is 1377738242681. The reversal of 1377738242608 is 8062428377731.

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 23 ways as a sum of consecutive naturals, for example, 71609566 + ... + 71628802.

Almost surely, 2^{1377738242608} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1377738242608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672346489016).

1377738242608 is an abundant number, since it is smaller than the sum of its proper divisors (1966954735424).

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

1377738242608 is a wasteful number, since it uses less digits than its factorization.

1377738242608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26299 (or 26286 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 1377738242608 in words is "one trillion, three hundred seventy-seven billion, seven hundred thirty-eight million, two hundred forty-two thousand, six hundred eight".