118175185440 has 384 divisors, whose sum is σ = 453845306880. Its totient is φ = 28539703296.

The previous prime is 118175185423. The next prime is 118175185501. The reversal of 118175185440 is 44581571811.

It is a happy number.

118175185440 is a `hidden beast` number, since 1 + 1 + 81 + 7 + 51 + 85 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2956629 + ... + 2996331.

It is an arithmetic number, because the mean of its divisors is an integer number (1181888820).

Almost surely, 2^118175185440 is an apocalyptic number.

118175185440 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 118175185440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226922653440).

118175185440 is an abundant number, since it is smaller than the sum of its proper divisors (335670121440).

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

118175185440 is a wasteful number, since it uses less digits than its factorization.

118175185440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39793 (or 39779 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 45.

The spelling of 118175185440 in words is "one hundred eighteen billion, one hundred seventy-five million, one hundred eighty-five thousand, four hundred forty".