101898943488 has 396 divisors, whose sum is σ = 316671964440. Its totient is φ = 32732356608.

The previous prime is 101898943429. The next prime is 101898943511. The reversal of 101898943488 is 884349898101.

101898943488 is a `hidden beast` number, since 10 + 18 + 98 + 9 + 43 + 488 = 666.

It is a super-2 number, since 2×101898943488² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 194835195 + ... + 194835717.

Almost surely, 2^101898943488 is an apocalyptic number.

101898943488 is a gapful number since it is divisible by the number (18) 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 101898943488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158335982220).

101898943488 is an abundant number, since it is smaller than the sum of its proper divisors (214773020952).

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

101898943488 is an frugal number, since it uses more digits than its factorization.

101898943488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 63.

The spelling of 101898943488 in words is "one hundred one billion, eight hundred ninety-eight million, nine hundred forty-three thousand, four hundred eighty-eight".