118155942240 has 288 divisors, whose sum is σ = 451783422720. Its totient is φ = 25832733696.

The previous prime is 118155942239. The next prime is 118155942287. The reversal of 118155942240 is 42249551811.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 118155942192 and 118155942201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 431751 + ... + 650169.

It is an arithmetic number, because the mean of its divisors is an integer number (1568692440).

Almost surely, 2^118155942240 is an apocalyptic number.

118155942240 is a gapful number since it is divisible by the number (10) 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 118155942240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225891711360).

118155942240 is an abundant number, since it is smaller than the sum of its proper divisors (333627480480).

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

118155942240 is a wasteful number, since it uses less digits than its factorization.

118155942240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218474 (or 218459 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 118155942240 in words is "one hundred eighteen billion, one hundred fifty-five million, nine hundred forty-two thousand, two hundred forty".