2573210440 has 32 divisors (see below), whose sum is σ = 6130297080. Its totient is φ = 968737792.

The previous prime is 2573210407. The next prime is 2573210441. The reversal of 2573210440 is 440123752.

It can be written as a sum of positive squares in 4 ways, for example, as 2572315524 + 894916 = 50718^2 + 946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2573210399 and 2573210408.

It is not an unprimeable number, because it can be changed into a prime (2573210441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1891387 + ... + 1892746.

Almost surely, 2^2573210440 is an apocalyptic number.

2573210440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2573210440 is an abundant number, since it is smaller than the sum of its proper divisors (3557086640).

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

2573210440 is a wasteful number, since it uses less digits than its factorization.

2573210440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784161 (or 3784157 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2573210440 is about 50726.8217021331. The cubic root of 2573210440 is about 1370.3297978818.

The spelling of 2573210440 in words is "two billion, five hundred seventy-three million, two hundred ten thousand, four hundred forty".