215468153480 has 32 divisors (see below), whose sum is σ = 485430586200. Its totient is φ = 86075751936.

The previous prime is 215468153477. The next prime is 215468153543. The reversal of 215468153480 is 84351864512.

It can be written as a sum of positive squares in 4 ways, for example, as 42600134404 + 172868019076 = 206398^2 + 415774^2 .

It is a super-2 number, since 2×215468153480² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3453365 + ... + 3515204.

Almost surely, 2^215468153480 is an apocalyptic number.

215468153480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215468153480 is an abundant number, since it is smaller than the sum of its proper divisors (269962432720).

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

215468153480 is a wasteful number, since it uses less digits than its factorization.

215468153480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969353 (or 6969349 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 215468153480 in words is "two hundred fifteen billion, four hundred sixty-eight million, one hundred fifty-three thousand, four hundred eighty".