2497202660 has 12 divisors (see below), whose sum is σ = 5244125628. Its totient is φ = 998881056.

The previous prime is 2497202647. The next prime is 2497202663. The reversal of 2497202660 is 662027942.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1659910564 + 837292096 = 40742^2 + 28936^2 .

It is a super-5 number, since 5×2497202660⁵ (a number of 48 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2497202663) 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, 62430047 + ... + 62430086.

It is an arithmetic number, because the mean of its divisors is an integer number (437010469).

Almost surely, 2^2497202660 is an apocalyptic number.

2497202660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2497202660 is an abundant number, since it is smaller than the sum of its proper divisors (2746922968).

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

2497202660 is a wasteful number, since it uses less digits than its factorization.

2497202660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124860142 (or 124860140 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2497202660 is about 49972.0187705080. The cubic root of 2497202660 is about 1356.7024094428.

The spelling of 2497202660 in words is "two billion, four hundred ninety-seven million, two hundred two thousand, six hundred sixty".