6498455040 has 1200 divisors, whose sum is σ = 30028765536. Its totient is φ = 1313832960.

The previous prime is 6498455021. The next prime is 6498455059. The reversal of 6498455040 is 405548946.

6498455040 is a `hidden beast` number, since 6 + 4 + 98 + 4 + 550 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6498455021) and next prime (6498455059).

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 119 ways as a sum of consecutive naturals, for example, 175633902 + ... + 175633938.

Almost surely, 2^6498455040 is an apocalyptic number.

6498455040 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 6498455040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15014382768).

6498455040 is an abundant number, since it is smaller than the sum of its proper divisors (23530310496).

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

6498455040 is a wasteful number, since it uses less digits than its factorization.

6498455040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 6498455040 is about 80612.9954783967. The cubic root of 6498455040 is about 1866.1077056554.

The spelling of 6498455040 in words is "six billion, four hundred ninety-eight million, four hundred fifty-five thousand, forty".