89240790240 has 576 divisors, whose sum is σ = 358798108032. Its totient is φ = 19773849600.

The previous prime is 89240790227. The next prime is 89240790251. The reversal of 89240790240 is 4209704298.

89240790240 is a `hidden beast` number, since 89 + 240 + 7 + 90 + 240 = 666.

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 95 ways as a sum of consecutive naturals, for example, 74803084 + ... + 74804276.

It is an arithmetic number, because the mean of its divisors is an integer number (622913382).

Almost surely, 2^89240790240 is an apocalyptic number.

89240790240 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 89240790240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179399054016).

89240790240 is an abundant number, since it is smaller than the sum of its proper divisors (269557317792).

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

89240790240 is a wasteful number, since it uses less digits than its factorization.

89240790240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 89240790240 in words is "eighty-nine billion, two hundred forty million, seven hundred ninety thousand, two hundred forty".