2562771552 has 192 divisors, whose sum is σ = 7620044544. Its totient is φ = 747325440.

The previous prime is 2562771521. The next prime is 2562771599. The reversal of 2562771552 is 2551772652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4180398 + ... + 4181010.

It is an arithmetic number, because the mean of its divisors is an integer number (39687732).

Almost surely, 2^2562771552 is an apocalyptic number.

2562771552 is a gapful number since it is divisible by the number (22) 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 2562771552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3810022272).

2562771552 is an abundant number, since it is smaller than the sum of its proper divisors (5057272992).

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

2562771552 is a wasteful number, since it uses less digits than its factorization.

2562771552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781 (or 773 counting only the distinct ones).

The product of its digits is 294000, while the sum is 42.

The square root of 2562771552 is about 50623.8239567103. The cubic root of 2562771552 is about 1368.4742550469.

It can be divided in two parts, 25627 and 71552, that added together give a palindrome (97179).

The spelling of 2562771552 in words is "two billion, five hundred sixty-two million, seven hundred seventy-one thousand, five hundred fifty-two".