215488274148 has 36 divisors (see below), whose sum is σ = 622521681600. Its totient is φ = 61568078256.

The previous prime is 215488274081. The next prime is 215488274203. The reversal of 215488274148 is 841472884512.

215488274148 is a `hidden beast` number, since 2 + 1 + 548 + 82 + 7 + 4 + 14 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 215488274094 and 215488274103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 427555848 + ... + 427556351.

Almost surely, 2^215488274148 is an apocalyptic number.

215488274148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

215488274148 is an abundant number, since it is smaller than the sum of its proper divisors (407033407452).

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

215488274148 is a wasteful number, since it uses less digits than its factorization.

215488274148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855112216 (or 855112211 counting only the distinct ones).

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

The spelling of 215488274148 in words is "two hundred fifteen billion, four hundred eighty-eight million, two hundred seventy-four thousand, one hundred forty-eight".