2648497500 has 600 divisors, whose sum is σ = 10001985840. Its totient is φ = 604800000.

The previous prime is 2648497469. The next prime is 2648497543. The reversal of 2648497500 is 57948462.

It is a happy number.

2648497500 is a `hidden beast` number, since 2 + 64 + 84 + 9 + 7 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 64597480 + ... + 64597520.

Almost surely, 2^2648497500 is an apocalyptic number.

2648497500 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 2648497500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5000992920).

2648497500 is an abundant number, since it is smaller than the sum of its proper divisors (7353488340).

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

2648497500 is a wasteful number, since it uses less digits than its factorization.

2648497500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2648497500 is about 51463.5550656967. Note that the first 3 decimals coincide. The cubic root of 2648497500 is about 1383.5659195056.

The spelling of 2648497500 in words is "two billion, six hundred forty-eight million, four hundred ninety-seven thousand, five hundred".