1386720298080 has 960 divisors, whose sum is σ = 5603560699968. Its totient is φ = 319938232320.

The previous prime is 1386720298049. The next prime is 1386720298081. The reversal of 1386720298080 is 808920276831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386720298081) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 804828099 + ... + 804829821.

Almost surely, 2^{1386720298080} is an apocalyptic number.

1386720298080 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 1386720298080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2801780349984).

1386720298080 is an abundant number, since it is smaller than the sum of its proper divisors (4216840401888).

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

1386720298080 is a wasteful number, since it uses less digits than its factorization.

1386720298080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 2044 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 1386720298080 in words is "one trillion, three hundred eighty-six billion, seven hundred twenty million, two hundred ninety-eight thousand, eighty".