2455807721472 has 912 divisors, whose sum is σ = 8668854858720. Its totient is φ = 684913065984.

The previous prime is 2455807721459. The next prime is 2455807721473. The reversal of 2455807721472 is 2741277085542.

2455807721472 is a `hidden beast` number, since 2 + 4 + 5 + 5 + 80 + 77 + 21 + 472 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2455807721473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25317605328 + ... + 25317605424.

It is an arithmetic number, because the mean of its divisors is an integer number (9505323310).

Almost surely, 2^{2455807721472} 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 2455807721472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4334427429360).

2455807721472 is an abundant number, since it is smaller than the sum of its proper divisors (6213047137248).

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

2455807721472 is an frugal number, since it uses more digits than its factorization.

2455807721472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 8780800, while the sum is 54.

The spelling of 2455807721472 in words is "two trillion, four hundred fifty-five billion, eight hundred seven million, seven hundred twenty-one thousand, four hundred seventy-two".