117399920221940 has 48 divisors (see below), whose sum is σ = 257926467262464. Its totient is φ = 44839824211200.

The previous prime is 117399920221937. The next prime is 117399920221949. The reversal of 117399920221940 is 49122029993711.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 117399920221940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117399920221949) 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, 1523053316 + ... + 1523130395.

It is an arithmetic number, because the mean of its divisors is an integer number (5373468067968).

Almost surely, 2^{117399920221940} is an apocalyptic number.

117399920221940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117399920221940 is an abundant number, since it is smaller than the sum of its proper divisors (140526547040524).

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

117399920221940 is a wasteful number, since it uses less digits than its factorization.

117399920221940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046183808 (or 3046183806 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 59.

The spelling of 117399920221940 in words is "one hundred seventeen trillion, three hundred ninety-nine billion, nine hundred twenty million, two hundred twenty-one thousand, nine hundred forty".