278160480 has 360 divisors, whose sum is σ = 1071366912. Its totient is φ = 67931136.

The previous prime is 278160469. The next prime is 278160527. The reversal of 278160480 is 84061872.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2190177 + ... + 2190303.

Almost surely, 2^278160480 is an apocalyptic number.

278160480 is a gapful number since it is divisible by the number (20) 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 278160480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535683456).

278160480 is an abundant number, since it is smaller than the sum of its proper divisors (793206432).

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

278160480 is a wasteful number, since it uses less digits than its factorization.

278160480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 278160480 is about 16678.1437816083. The cubic root of 278160480 is about 652.7774483991. Note that the first 3 decimals are identical.

The spelling of 278160480 in words is "two hundred seventy-eight million, one hundred sixty thousand, four hundred eighty".