2495816680 has 64 divisors (see below), whose sum is σ = 6464759040. Its totient is φ = 849449472.

The previous prime is 2495816677. The next prime is 2495816683. The reversal of 2495816680 is 866185942.

It is an interprime number because it is at equal distance from previous prime (2495816677) and next prime (2495816683).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2495816683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5829 + ... + 70891.

It is an arithmetic number, because the mean of its divisors is an integer number (101011860).

Almost surely, 2^2495816680 is an apocalyptic number.

2495816680 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 2495816680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3232379520).

2495816680 is an abundant number, since it is smaller than the sum of its proper divisors (3968942360).

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

2495816680 is a wasteful number, since it uses less digits than its factorization.

2495816680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65218 (or 65214 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 2495816680 is about 49958.1492851767. The cubic root of 2495816680 is about 1356.4513671575.

The spelling of 2495816680 in words is "two billion, four hundred ninety-five million, eight hundred sixteen thousand, six hundred eighty".