99090026340 has 192 divisors, whose sum is σ = 296757941760. Its totient is φ = 24656486400.

The previous prime is 99090026323. The next prime is 99090026341. The reversal of 99090026340 is 4362009099.

It is a junction number, because it is equal to n+sod(n) for n = 99090026292 and 99090026301.

It is not an unprimeable number, because it can be changed into a prime (99090026341) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 9716284 + ... + 9726476.

It is an arithmetic number, because the mean of its divisors is an integer number (1545614280).

Almost surely, 2^99090026340 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 99090026340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148378970880).

99090026340 is an abundant number, since it is smaller than the sum of its proper divisors (197667915420).

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

99090026340 is a wasteful number, since it uses less digits than its factorization.

99090026340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422 (or 10420 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 42.

The spelling of 99090026340 in words is "ninety-nine billion, ninety million, twenty-six thousand, three hundred forty".