4128996280 has 16 divisors (see below), whose sum is σ = 9290241720. Its totient is φ = 1651598496.

The previous prime is 4128996253. The next prime is 4128996359. The reversal of 4128996280 is 826998214.

It is a super-2 number, since 2×4128996280² = 34097220560507676800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51612414 + ... + 51612493.

Almost surely, 2^4128996280 is an apocalyptic number.

4128996280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4128996280 is an abundant number, since it is smaller than the sum of its proper divisors (5161245440).

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

4128996280 is a wasteful number, since it uses less digits than its factorization.

4128996280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103224918 (or 103224914 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 4128996280 is about 64257.2663595332. The cubic root of 4128996280 is about 1604.2849051237.

The spelling of 4128996280 in words is "four billion, one hundred twenty-eight million, nine hundred ninety-six thousand, two hundred eighty".