89490932380 has 48 divisors (see below), whose sum is σ = 194743271520. Its totient is φ = 34503004928.

The previous prime is 89490932341. The next prime is 89490932393. The reversal of 89490932380 is 8323909498.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209034 + ... + 471886.

It is an arithmetic number, because the mean of its divisors is an integer number (4057151490).

Almost surely, 2^89490932380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89490932380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97371635760).

89490932380 is an abundant number, since it is smaller than the sum of its proper divisors (105252339140).

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

89490932380 is a wasteful number, since it uses less digits than its factorization.

89490932380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263478 (or 263476 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 89490932380 in words is "eighty-nine billion, four hundred ninety million, nine hundred thirty-two thousand, three hundred eighty".