2456653550220 has 144 divisors (see below), whose sum is σ = 7652096463648. Its totient is φ = 637724897280.

The previous prime is 2456653550203. The next prime is 2456653550261. The reversal of 2456653550220 is 220553566542.

2456653550220 is a `hidden beast` number, since 2 + 4 + 5 + 66 + 535 + 50 + 2 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88234 + ... + 2218353.

Almost surely, 2^{2456653550220} is an apocalyptic number.

2456653550220 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 2456653550220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3826048231824).

2456653550220 is an abundant number, since it is smaller than the sum of its proper divisors (5195442913428).

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

2456653550220 is a wasteful number, since it uses less digits than its factorization.

2456653550220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306760 (or 2306755 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 2456653550220 in words is "two trillion, four hundred fifty-six billion, six hundred fifty-three million, five hundred fifty thousand, two hundred twenty".