278372464580 has 48 divisors (see below), whose sum is σ = 671260308096. Its totient is φ = 94989646080.

The previous prime is 278372464567. The next prime is 278372464673. The reversal of 278372464580 is 85464273872.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4682249 + ... + 4741328.

It is an arithmetic number, because the mean of its divisors is an integer number (13984589752).

Almost surely, 2^278372464580 is an apocalyptic number.

278372464580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

278372464580 is an abundant number, since it is smaller than the sum of its proper divisors (392887843516).

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

278372464580 is a wasteful number, since it uses less digits than its factorization.

278372464580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9423804 (or 9423802 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 278372464580 in words is "two hundred seventy-eight billion, three hundred seventy-two million, four hundred sixty-four thousand, five hundred eighty".