4278458880 has 400 divisors, whose sum is σ = 15685781760. Its totient is φ = 1114103808.

The previous prime is 4278458843. The next prime is 4278458881. The reversal of 4278458880 is 888548724.

4278458880 is a `hidden beast` number, since 42 + 78 + 458 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4278458881) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9745701 + ... + 9746139.

Almost surely, 2^4278458880 is an apocalyptic number.

4278458880 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 4278458880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7842890880).

4278458880 is an abundant number, since it is smaller than the sum of its proper divisors (11407322880).

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

4278458880 is an equidigital number, since it uses as much as digits as its factorization.

4278458880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 4587520, while the sum is 54.

The square root of 4278458880 is about 65409.9295214419. The cubic root of 4278458880 is about 1623.4133790086.

The spelling of 4278458880 in words is "four billion, two hundred seventy-eight million, four hundred fifty-eight thousand, eight hundred eighty".