6428635080 has 128 divisors (see below), whose sum is σ = 22140518400. Its totient is φ = 1462770432.

The previous prime is 6428635069. The next prime is 6428635091. The reversal of 6428635080 is 805368246.

It is an interprime number because it is at equal distance from previous prime (6428635069) and next prime (6428635091).

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

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, 170161 + ... + 204479.

It is an arithmetic number, because the mean of its divisors is an integer number (172972800).

Almost surely, 2^6428635080 is an apocalyptic number.

6428635080 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 6428635080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11070259200).

6428635080 is an abundant number, since it is smaller than the sum of its proper divisors (15711883320).

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

6428635080 is a wasteful number, since it uses less digits than its factorization.

6428635080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34563 (or 34559 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 6428635080 is about 80178.7695091413. The cubic root of 6428635080 is about 1859.4004195306.

The spelling of 6428635080 in words is "six billion, four hundred twenty-eight million, six hundred thirty-five thousand, eighty".