2530778191732 has 192 divisors, whose sum is σ = 5604318720000. Its totient is φ = 974943019008.

The previous prime is 2530778191709. The next prime is 2530778191751. The reversal of 2530778191732 is 2371918770352.

2530778191732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1298499894 + ... + 1298501842.

It is an arithmetic number, because the mean of its divisors is an integer number (29189160000).

Almost surely, 2^{2530778191732} 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 2530778191732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2802159360000).

2530778191732 is an abundant number, since it is smaller than the sum of its proper divisors (3073540528268).

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

2530778191732 is a wasteful number, since it uses less digits than its factorization.

2530778191732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 55.

The spelling of 2530778191732 in words is "two trillion, five hundred thirty billion, seven hundred seventy-eight million, one hundred ninety-one thousand, seven hundred thirty-two".