99340242554 has 16 divisors (see below), whose sum is σ = 173920912128. Its totient is φ = 41668551312.

The previous prime is 99340242553. The next prime is 99340242559. The reversal of 99340242554 is 45524204399.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99340242499 and 99340242508.

It is not an unprimeable number, because it can be changed into a prime (99340242553) 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 7 ways as a sum of consecutive naturals, for example, 75485849 + ... + 75487164.

It is an arithmetic number, because the mean of its divisors is an integer number (10870057008).

Almost surely, 2^99340242554 is an apocalyptic number.

99340242554 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

99340242554 is a deficient number, since it is larger than the sum of its proper divisors (74580669574).

99340242554 is a wasteful number, since it uses less digits than its factorization.

99340242554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150973069.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 99340242554 in words is "ninety-nine billion, three hundred forty million, two hundred forty-two thousand, five hundred fifty-four".