2528491570 has 64 divisors (see below), whose sum is σ = 5150552832. Its totient is φ = 885600000.

The previous prime is 2528491561. The next prime is 2528491577. The reversal of 2528491570 is 751948252.

2528491570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2528491570² = 12786539239122129800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2528491577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407995 + ... + 414145.

It is an arithmetic number, because the mean of its divisors is an integer number (80477388).

Almost surely, 2^2528491570 is an apocalyptic number.

2528491570 is an abundant number, since it is smaller than the sum of its proper divisors (2622061262).

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

2528491570 is a wasteful number, since it uses less digits than its factorization.

2528491570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2528491570 is about 50284.1085234689. The cubic root of 2528491570 is about 1362.3452128400.

The spelling of 2528491570 in words is "two billion, five hundred twenty-eight million, four hundred ninety-one thousand, five hundred seventy".