4278105280 has 56 divisors (see below), whose sum is σ = 10226174112. Its totient is φ = 1704701952.

The previous prime is 4278105263. The next prime is 4278105313. The reversal of 4278105280 is 825018724.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58744 + ... + 109576.

It is an arithmetic number, because the mean of its divisors is an integer number (182610252).

Almost surely, 2^4278105280 is an apocalyptic number.

4278105280 is a gapful number since it is divisible by the number (40) 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 4278105280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5113087056).

4278105280 is an abundant number, since it is smaller than the sum of its proper divisors (5948068832).

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

4278105280 is a wasteful number, since it uses less digits than its factorization.

4278105280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51113 (or 51103 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 4278105280 is about 65407.2265120606. The cubic root of 4278105280 is about 1623.3686545879.

The spelling of 4278105280 in words is "four billion, two hundred seventy-eight million, one hundred five thousand, two hundred eighty".