99338636340 has 288 divisors, whose sum is σ = 315649990656. Its totient is φ = 25259247360.

The previous prime is 99338636279. The next prime is 99338636393. The reversal of 99338636340 is 4363683399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 176444899 + ... + 176445461.

It is an arithmetic number, because the mean of its divisors is an integer number (1096006912).

Almost surely, 2^99338636340 is an apocalyptic number.

99338636340 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 99338636340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157824995328).

99338636340 is an abundant number, since it is smaller than the sum of its proper divisors (216311354316).

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

99338636340 is a wasteful number, since it uses less digits than its factorization.

99338636340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 54.

The spelling of 99338636340 in words is "ninety-nine billion, three hundred thirty-eight million, six hundred thirty-six thousand, three hundred forty".