6485113800 has 384 divisors, whose sum is σ = 24944832000. Its totient is φ = 1534982400.

The previous prime is 6485113799. The next prime is 6485113819. The reversal of 6485113800 is 83115846.

6485113800 is a `hidden beast` number, since 64 + 8 + 511 + 3 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2552931 + ... + 2555469.

It is an arithmetic number, because the mean of its divisors is an integer number (64960500).

Almost surely, 2^6485113800 is an apocalyptic number.

6485113800 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 6485113800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12472416000).

6485113800 is an abundant number, since it is smaller than the sum of its proper divisors (18459718200).

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

6485113800 is a wasteful number, since it uses less digits than its factorization.

6485113800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 6485113800 is about 80530.2042714409. The cubic root of 6485113800 is about 1864.8297994837.

The spelling of 6485113800 in words is "six billion, four hundred eighty-five million, one hundred thirteen thousand, eight hundred".