99269533440 has 1728 divisors, whose sum is σ = 471102428160. Its totient is φ = 18662031360.

The previous prime is 99269533439. The next prime is 99269533471. The reversal of 99269533440 is 4433596299.

99269533440 is a `hidden beast` number, since 9 + 9 + 2 + 69 + 533 + 4 + 40 = 666.

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 191 ways as a sum of consecutive naturals, for example, 437310607 + ... + 437310833.

It is an arithmetic number, because the mean of its divisors is an integer number (272628720).

Almost surely, 2^99269533440 is an apocalyptic number.

99269533440 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 99269533440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235551214080).

99269533440 is an abundant number, since it is smaller than the sum of its proper divisors (371832894720).

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

99269533440 is a wasteful number, since it uses less digits than its factorization.

99269533440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 54.

The spelling of 99269533440 in words is "ninety-nine billion, two hundred sixty-nine million, five hundred thirty-three thousand, four hundred forty".