118829440 has 64 divisors (see below), whose sum is σ = 287627760. Its totient is φ = 46938112.

The previous prime is 118829423. The next prime is 118829441. The reversal of 118829440 is 44928811.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 118829440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118829441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52002 + ... + 54238.

Almost surely, 2^118829440 is an apocalyptic number.

118829440 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 118829440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143813880).

118829440 is an abundant number, since it is smaller than the sum of its proper divisors (168798320).

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

118829440 is an equidigital number, since it uses as much as digits as its factorization.

118829440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 118829440 is about 10900.8917066449. The cubic root of 118829440 is about 491.6333664446.

It can be divided in two parts, 1188 and 29440, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 118829440 in words is "one hundred eighteen million, eight hundred twenty-nine thousand, four hundred forty".