99139324247040 has 1056 divisors, whose sum is σ = 405847571351040. Its totient is φ = 20211552092160.

The previous prime is 99139324247039. The next prime is 99139324247063. The reversal of 99139324247040 is 4074242393199.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1056).

It is a super-2 number, since 2×99139324247040² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 689453871 + ... + 689597649.

Almost surely, 2^{99139324247040} 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 99139324247040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202923785675520).

99139324247040 is an abundant number, since it is smaller than the sum of its proper divisors (306708247104000).

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

99139324247040 is a wasteful number, since it uses less digits than its factorization.

99139324247040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143889 (or 143860 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 99139324247040 in words is "ninety-nine trillion, one hundred thirty-nine billion, three hundred twenty-four million, two hundred forty-seven thousand, forty".