2546821885476 has 72 divisors (see below), whose sum is σ = 6533789460352. Its totient is φ = 771544699200.

The previous prime is 2546821885457. The next prime is 2546821885481. The reversal of 2546821885476 is 6745881286452.

It is a happy number.

2546821885476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4893861 + ... + 5389203.

Almost surely, 2^{2546821885476} 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 2546821885476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3266894730176).

2546821885476 is an abundant number, since it is smaller than the sum of its proper divisors (3986967574876).

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

2546821885476 is a wasteful number, since it uses less digits than its factorization.

2546821885476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498913 (or 498900 counting only the distinct ones).

The product of its digits is 206438400, while the sum is 66.

The spelling of 2546821885476 in words is "two trillion, five hundred forty-six billion, eight hundred twenty-one million, eight hundred eighty-five thousand, four hundred seventy-six".