2546078646432 has 192 divisors, whose sum is σ = 7108721657856. Its totient is φ = 796129551360.

The previous prime is 2546078646407. The next prime is 2546078646439. The reversal of 2546078646432 is 2346468706452.

It is not an unprimeable number, because it can be changed into a prime (2546078646439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457678083 + ... + 457683645.

It is an arithmetic number, because the mean of its divisors is an integer number (37024591968).

Almost surely, 2^{2546078646432} 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 2546078646432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3554360828928).

2546078646432 is an abundant number, since it is smaller than the sum of its proper divisors (4562643011424).

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

2546078646432 is a wasteful number, since it uses less digits than its factorization.

2546078646432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563 (or 9555 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 57.

The spelling of 2546078646432 in words is "two trillion, five hundred forty-six billion, seventy-eight million, six hundred forty-six thousand, four hundred thirty-two".