48881428656520 has 16 divisors (see below), whose sum is σ = 109983214477260. Its totient is φ = 19552571462592.

The previous prime is 48881428656499. The next prime is 48881428656583. The reversal of 48881428656520 is 2565682418884.

It can be written as a sum of positive squares in 2 ways, for example, as 48285237742564 + 596190913956 = 6948758^2 + 772134^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611017858167 + ... + 611017858246.

Almost surely, 2^{48881428656520} is an apocalyptic number.

48881428656520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48881428656520 is an abundant number, since it is smaller than the sum of its proper divisors (61101785820740).

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

48881428656520 is a wasteful number, since it uses less digits than its factorization.

48881428656520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222035716424 (or 1222035716420 counting only the distinct ones).

The product of its (nonzero) digits is 235929600, while the sum is 67.

The spelling of 48881428656520 in words is "forty-eight trillion, eight hundred eighty-one billion, four hundred twenty-eight million, six hundred fifty-six thousand, five hundred twenty".