98401228380 has 1080 divisors, whose sum is σ = 410514283872. Its totient is φ = 19211447808.

The previous prime is 98401228253. The next prime is 98401228411. The reversal of 98401228380 is 8382210489.

98401228380 is a `hidden beast` number, since 9 + 8 + 40 + 1 + 228 + 380 = 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 359 ways as a sum of consecutive naturals, for example, 2288400639 + ... + 2288400681.

Almost surely, 2^98401228380 is an apocalyptic number.

98401228380 is a gapful number since it is divisible by the number (90) 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 98401228380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205257141936).

98401228380 is an abundant number, since it is smaller than the sum of its proper divisors (312113055492).

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

98401228380 is a wasteful number, since it uses less digits than its factorization.

98401228380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 98401228380 in words is "ninety-eight billion, four hundred one million, two hundred twenty-eight thousand, three hundred eighty".