2055055238400 has 216 divisors, whose sum is σ = 6831623623104. Its totient is φ = 544013926400.

The previous prime is 2055055238339. The next prime is 2055055238407. The reversal of 2055055238400 is 48325505502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055055238407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2239765 + ... + 3021035.

It is an arithmetic number, because the mean of its divisors is an integer number (31627887144).

Almost surely, 2^{2055055238400} is an apocalyptic number.

2055055238400 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 2055055238400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3415811811552).

2055055238400 is an abundant number, since it is smaller than the sum of its proper divisors (4776568384704).

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

2055055238400 is a wasteful number, since it uses less digits than its factorization.

2055055238400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781437 (or 781418 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 2055055238400 in words is "two trillion, fifty-five billion, fifty-five million, two hundred thirty-eight thousand, four hundred".