6435282840 has 128 divisors (see below), whose sum is σ = 22425707520. Its totient is φ = 1446796800.

The previous prime is 6435282811. The next prime is 6435282857. The reversal of 6435282840 is 482825346.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6435282792 and 6435282801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11556 + ... + 114035.

It is an arithmetic number, because the mean of its divisors is an integer number (175200840).

Almost surely, 2^6435282840 is an apocalyptic number.

6435282840 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 6435282840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11212853760).

6435282840 is an abundant number, since it is smaller than the sum of its proper divisors (15990424680).

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

6435282840 is a wasteful number, since it uses less digits than its factorization.

6435282840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125673 (or 125669 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

The square root of 6435282840 is about 80220.2146593987. The cubic root of 6435282840 is about 1860.0411252325.

The spelling of 6435282840 in words is "six billion, four hundred thirty-five million, two hundred eighty-two thousand, eight hundred forty".