6435484915860 has 576 divisors, whose sum is σ = 27180735289344. Its totient is φ = 1234377792000.

The previous prime is 6435484915799. The next prime is 6435484915877. The reversal of 6435484915860 is 685194845346.

6435484915860 is a `hidden beast` number, since 6 + 4 + 3 + 5 + 4 + 8 + 49 + 1 + 586 + 0 = 666.

It is a super-2 number, since 2×6435484915860² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4203435 + ... + 5526285.

It is an arithmetic number, because the mean of its divisors is an integer number (47188776544).

Almost surely, 2^{6435484915860} is an apocalyptic number.

6435484915860 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 6435484915860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13590367644672).

6435484915860 is an abundant number, since it is smaller than the sum of its proper divisors (20745250373484).

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

6435484915860 is a wasteful number, since it uses less digits than its factorization.

6435484915860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322906 (or 1322892 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 63.

The spelling of 6435484915860 in words is "six trillion, four hundred thirty-five billion, four hundred eighty-four million, nine hundred fifteen thousand, eight hundred sixty".