2577425620 has 192 divisors, whose sum is σ = 7228569600. Its totient is φ = 747671040.

The previous prime is 2577425603. The next prime is 2577425623. The reversal of 2577425620 is 265247752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2577425623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1725594 + ... + 1727086.

It is an arithmetic number, because the mean of its divisors is an integer number (37648800).

Almost surely, 2^2577425620 is an apocalyptic number.

2577425620 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 2577425620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3614284800).

2577425620 is an abundant number, since it is smaller than the sum of its proper divisors (4651143980).

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

2577425620 is a wasteful number, since it uses less digits than its factorization.

2577425620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 2577425620 is about 50768.3525436861. The cubic root of 2577425620 is about 1371.0776361388.

It can be divided in two parts, 257742 and 5620, that added together give a palindrome (263362).

The spelling of 2577425620 in words is "two billion, five hundred seventy-seven million, four hundred twenty-five thousand, six hundred twenty".