2278015488 has 600 divisors, whose sum is σ = 8466757200. Its totient is φ = 606154752.

The previous prime is 2278015463. The next prime is 2278015499. The reversal of 2278015488 is 8845108722.

It is a happy number.

2278015488 is a `hidden beast` number, since 2 + 27 + 80 + 1 + 548 + 8 = 666.

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, 38610403 + ... + 38610461.

It is an arithmetic number, because the mean of its divisors is an integer number (14111262).

Almost surely, 2^2278015488 is an apocalyptic number.

2278015488 is a gapful number since it is divisible by the number (28) 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 2278015488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4233378600).

2278015488 is an abundant number, since it is smaller than the sum of its proper divisors (6188741712).

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

2278015488 is an equidigital number, since it uses as much as digits as its factorization.

2278015488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 2278015488 is about 47728.5605062629. The cubic root of 2278015488 is about 1315.7868977407.

It can be divided in two parts, 227801 and 5488, that added together give a square (233289 = 483²).

The spelling of 2278015488 in words is "two billion, two hundred seventy-eight million, fifteen thousand, four hundred eighty-eight".