75640934442198 has 64 divisors (see below), whose sum is σ = 161916291878400. Its totient is φ = 23474758298112.

The previous prime is 75640934442191. The next prime is 75640934442209. The reversal of 75640934442198 is 89124443904657.

It is a super-2 number, since 2×75640934442198² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75640934442191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7258740 + ... + 14281847.

It is an arithmetic number, because the mean of its divisors is an integer number (2529942060600).

It is a 1-persistent number, because it is pandigital, but 2⋅75640934442198 = 151281868884396 is not.

Almost surely, 2^{75640934442198} is an apocalyptic number.

75640934442198 is an abundant number, since it is smaller than the sum of its proper divisors (86275357436202).

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

75640934442198 is a wasteful number, since it uses less digits than its factorization.

75640934442198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21540981.

The product of its (nonzero) digits is 209018880, while the sum is 66.

The spelling of 75640934442198 in words is "seventy-five trillion, six hundred forty billion, nine hundred thirty-four million, four hundred forty-two thousand, one hundred ninety-eight".