4128486720 has 112 divisors (see below), whose sum is σ = 13879055808. Its totient is φ = 1036165120.

The previous prime is 4128486689. The next prime is 4128486727. The reversal of 4128486720 is 276848214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128486727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110166 + ... + 142805.

Almost surely, 2^4128486720 is an apocalyptic number.

4128486720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4128486720 is an abundant number, since it is smaller than the sum of its proper divisors (9750569088).

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

4128486720 is a wasteful number, since it uses less digits than its factorization.

4128486720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253008 (or 252998 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 4128486720 is about 64253.3012381465. The cubic root of 4128486720 is about 1604.2189074016.

The spelling of 4128486720 in words is "four billion, one hundred twenty-eight million, four hundred eighty-six thousand, seven hundred twenty".