278196480 has 432 divisors, whose sum is σ = 1071383040. Its totient is φ = 66355200.

The previous prime is 278196473. The next prime is 278196553. The reversal of 278196480 is 84691872.

278196480 is a `hidden beast` number, since 2 + 7 + 81 + 96 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6785260 + ... + 6785300.

Almost surely, 2^278196480 is an apocalyptic number.

278196480 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 278196480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535691520).

278196480 is an abundant number, since it is smaller than the sum of its proper divisors (793186560).

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

278196480 is a wasteful number, since it uses less digits than its factorization.

278196480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 278196480 is about 16679.2230034855. The cubic root of 278196480 is about 652.8056083717.

The spelling of 278196480 in words is "two hundred seventy-eight million, one hundred ninety-six thousand, four hundred eighty".