2055434195880 has 512 divisors, whose sum is σ = 7450801344000. Its totient is φ = 504000506880.

The previous prime is 2055434195861. The next prime is 2055434195917. The reversal of 2055434195880 is 885914345502.

2055434195880 is a `hidden beast` number, since 2 + 0 + 5 + 5 + 43 + 4 + 19 + 588 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 671489550 + ... + 671492610.

It is an arithmetic number, because the mean of its divisors is an integer number (14552346375).

Almost surely, 2^{2055434195880} is an apocalyptic number.

2055434195880 is a gapful number since it is divisible by the number (20) 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 2055434195880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3725400672000).

2055434195880 is an abundant number, since it is smaller than the sum of its proper divisors (5395367148120).

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

2055434195880 is a wasteful number, since it uses less digits than its factorization.

2055434195880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403 (or 3367 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 2055434195880 in words is "two trillion, fifty-five billion, four hundred thirty-four million, one hundred ninety-five thousand, eight hundred eighty".