4381928280 has 80 divisors (see below), whose sum is σ = 14728158720. Its totient is φ = 1168513344.

The previous prime is 4381928273. The next prime is 4381928339. The reversal of 4381928280 is 828291834.

4381928280 is a `hidden beast` number, since 438 + 192 + 8 + 28 + 0 = 666.

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 19 ways as a sum of consecutive naturals, for example, 672984 + ... + 679463.

It is an arithmetic number, because the mean of its divisors is an integer number (184101984).

Almost surely, 2^4381928280 is an apocalyptic number.

4381928280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4381928280 is an abundant number, since it is smaller than the sum of its proper divisors (10346230440).

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

4381928280 is a wasteful number, since it uses less digits than its factorization.

4381928280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352470 (or 1352457 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 4381928280 is about 66196.1349324868. The cubic root of 4381928280 is about 1636.3960469338.

The spelling of 4381928280 in words is "four billion, three hundred eighty-one million, nine hundred twenty-eight thousand, two hundred eighty".