1920388373136 has 240 divisors, whose sum is σ = 5612372213760. Its totient is φ = 612555989760.

The previous prime is 1920388373119. The next prime is 1920388373153. The reversal of 1920388373136 is 6313738830291.

1920388373136 is a `hidden beast` number, since 19 + 203 + 88 + 37 + 313 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1920388373119) and next prime (1920388373153).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55053781 + ... + 55088651.

It is an arithmetic number, because the mean of its divisors is an integer number (23384884224).

Almost surely, 2^{1920388373136} is an apocalyptic number.

1920388373136 is a gapful number since it is divisible by the number (16) 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 1920388373136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2806186106880).

1920388373136 is an abundant number, since it is smaller than the sum of its proper divisors (3691983840624).

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

1920388373136 is a wasteful number, since it uses less digits than its factorization.

1920388373136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35114 (or 35105 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 1920388373136 in words is "one trillion, nine hundred twenty billion, three hundred eighty-eight million, three hundred seventy-three thousand, one hundred thirty-six".