89236842240 has 288 divisors, whose sum is σ = 350770807296. Its totient is φ = 18827919360.

The previous prime is 89236842229. The next prime is 89236842259. The reversal of 89236842240 is 4224863298.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 89236842240.

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, 221755 + ... + 477125.

It is an arithmetic number, because the mean of its divisors is an integer number (1217954192).

Almost surely, 2^89236842240 is an apocalyptic number.

89236842240 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 89236842240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175385403648).

89236842240 is an abundant number, since it is smaller than the sum of its proper divisors (261533965056).

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

89236842240 is a wasteful number, since it uses less digits than its factorization.

89236842240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255415 (or 255401 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 89236842240 in words is "eighty-nine billion, two hundred thirty-six million, eight hundred forty-two thousand, two hundred forty".