2574885656 has 16 divisors (see below), whose sum is σ = 5517612240. Its totient is φ = 1103522400.

The previous prime is 2574885653. The next prime is 2574885667. The reversal of 2574885656 is 6565884752.

It is a super-3 number, since 3×2574885656³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 45980101 = 2574885656 / (2 + 5 + 7 + 4 + 8 + 8 + 5 + 6 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2574885653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22989995 + ... + 22990106.

It is an arithmetic number, because the mean of its divisors is an integer number (344850765).

Almost surely, 2^2574885656 is an apocalyptic number.

It is an amenable number.

2574885656 is an abundant number, since it is smaller than the sum of its proper divisors (2942726584).

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

2574885656 is a wasteful number, since it uses less digits than its factorization.

2574885656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45980114 (or 45980110 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 56.

The square root of 2574885656 is about 50743.3311480435. The cubic root of 2574885656 is about 1370.6271048808.

The spelling of 2574885656 in words is "two billion, five hundred seventy-four million, eight hundred eighty-five thousand, six hundred fifty-six".