2534855383872 has 840 divisors, whose sum is σ = 9055068430848. Its totient is φ = 698384332800.

The previous prime is 2534855383871. The next prime is 2534855383919. The reversal of 2534855383872 is 2783835584352.

It is a happy number.

2534855383872 is a `hidden beast` number, since 2 + 5 + 3 + 4 + 8 + 553 + 8 + 3 + 8 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2534855383871) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3834879222 + ... + 3834879882.

Almost surely, 2^{2534855383872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2534855383872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4527534215424).

2534855383872 is an abundant number, since it is smaller than the sum of its proper divisors (6520213046976).

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

2534855383872 is a wasteful number, since it uses less digits than its factorization.

2534855383872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1191 counting only the distinct ones).

The product of its digits is 193536000, while the sum is 63.

The spelling of 2534855383872 in words is "two trillion, five hundred thirty-four billion, eight hundred fifty-five million, three hundred eighty-three thousand, eight hundred seventy-two".