88542443520 has 384 divisors, whose sum is σ = 316103860800. Its totient is φ = 23509204992.

The previous prime is 88542443497. The next prime is 88542443543. The reversal of 88542443520 is 2534424588.

88542443520 is a `hidden beast` number, since 8 + 8 + 54 + 244 + 352 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (88542443497) and next prime (88542443543).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81008094 + ... + 81009186.

Almost surely, 2^88542443520 is an apocalyptic number.

88542443520 is a gapful number since it is divisible by the number (80) 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 88542443520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158051930400).

88542443520 is an abundant number, since it is smaller than the sum of its proper divisors (227561417280).

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

88542443520 is a wasteful number, since it uses less digits than its factorization.

88542443520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

The spelling of 88542443520 in words is "eighty-eight billion, five hundred forty-two million, four hundred forty-three thousand, five hundred twenty".