6499284480 has 400 divisors, whose sum is σ = 25079426064. Its totient is φ = 1599160320.

The previous prime is 6499284427. The next prime is 6499284487. The reversal of 6499284480 is 844829946.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6499284487) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2694475 + ... + 2696885.

Almost surely, 2^6499284480 is an apocalyptic number.

6499284480 is a gapful number since it is divisible by the number (60) 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 6499284480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12539713032).

6499284480 is an abundant number, since it is smaller than the sum of its proper divisors (18580141584).

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

6499284480 is a wasteful number, since it uses less digits than its factorization.

6499284480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The square root of 6499284480 is about 80618.1398941950. The cubic root of 6499284480 is about 1866.1870967577.

The spelling of 6499284480 in words is "six billion, four hundred ninety-nine million, two hundred eighty-four thousand, four hundred eighty".