99142380000 has 600 divisors, whose sum is σ = 383647599720. Its totient is φ = 25038720000.

The previous prime is 99142379887. The next prime is 99142380013. The reversal of 99142380000 is 8324199.

It is a tau number, because it is divible by the number of its divisors (600).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 30778390 + ... + 30781610.

Almost surely, 2^99142380000 is an apocalyptic number.

99142380000 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 99142380000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191823799860).

99142380000 is an abundant number, since it is smaller than the sum of its proper divisors (284505219720).

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

99142380000 is a wasteful number, since it uses less digits than its factorization.

99142380000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 99142380000 in words is "ninety-nine billion, one hundred forty-two million, three hundred eighty thousand".