98181946044 has 192 divisors, whose sum is σ = 319199892480. Its totient is φ = 25405436160.

The previous prime is 98181945989. The next prime is 98181946073. The reversal of 98181946044 is 44064918189.

It is a happy number.

98181946044 is a `hidden beast` number, since 9 + 8 + 18 + 19 + 4 + 604 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 426639 + ... + 615129.

It is an arithmetic number, because the mean of its divisors is an integer number (1662499440).

Almost surely, 2^98181946044 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 98181946044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159599946240).

98181946044 is an abundant number, since it is smaller than the sum of its proper divisors (221017946436).

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

98181946044 is a wasteful number, since it uses less digits than its factorization.

98181946044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188577 (or 188569 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 98181946044 in words is "ninety-eight billion, one hundred eighty-one million, nine hundred forty-six thousand, forty-four".