2495824820 has 18 divisors (see below), whose sum is σ = 5241701346. Its totient is φ = 998240560.

The previous prime is 2495824789. The next prime is 2495824823. The reversal of 2495824820 is 284285942.

It can be written as a sum of positive squares in only one way, i.e., 1996659856 + 499164964 = 44684^2 + 22342^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2495824823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217835 + ... + 229005.

Almost surely, 2^2495824820 is an apocalyptic number.

2495824820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2495824820 is an abundant number, since it is smaller than the sum of its proper divisors (2745876526).

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

2495824820 is an frugal number, since it uses more digits than its factorization.

2495824820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22351 (or 11178 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 2495824820 is about 49958.2307533003. The cubic root of 2495824820 is about 1356.4528418254.

The spelling of 2495824820 in words is "two billion, four hundred ninety-five million, eight hundred twenty-four thousand, eight hundred twenty".