19355057035980 has 192 divisors, whose sum is σ = 58978628997120. Its totient is φ = 4724578713600.

The previous prime is 19355057035927. The next prime is 19355057036009. The reversal of 19355057035980 is 8953075055391.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 22225732 + ... + 23080148.

It is an arithmetic number, because the mean of its divisors is an integer number (307180359360).

Almost surely, 2^{19355057035980} is an apocalyptic number.

19355057035980 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 19355057035980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29489314498560).

19355057035980 is an abundant number, since it is smaller than the sum of its proper divisors (39623571961140).

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

19355057035980 is a wasteful number, since it uses less digits than its factorization.

19355057035980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855120 (or 855118 counting only the distinct ones).

The product of its (nonzero) digits is 25515000, while the sum is 60.

The spelling of 19355057035980 in words is "nineteen trillion, three hundred fifty-five billion, fifty-seven million, thirty-five thousand, nine hundred eighty".