99740240558 has 32 divisors (see below), whose sum is σ = 181831780800. Its totient is φ = 40055652864.

The previous prime is 99740240557. The next prime is 99740240599. The reversal of 99740240558 is 85504204799.

It is a super-3 number, since 3×99740240558³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99740240557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860513 + ... + 969516.

It is an arithmetic number, because the mean of its divisors is an integer number (5682243150).

Almost surely, 2^99740240558 is an apocalyptic number.

99740240558 is a deficient number, since it is larger than the sum of its proper divisors (82091540242).

99740240558 is a wasteful number, since it uses less digits than its factorization.

99740240558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830284.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 99740240558 in words is "ninety-nine billion, seven hundred forty million, two hundred forty thousand, five hundred fifty-eight".