118640209248 has 192 divisors, whose sum is σ = 379473776640. Its totient is φ = 35762803200.

The previous prime is 118640209231. The next prime is 118640209249. The reversal of 118640209248 is 842902046811.

118640209248 is a `hidden beast` number, since 118 + 6 + 402 + 0 + 92 + 48 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118640209249) 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, 1782586 + ... + 1847942.

It is an arithmetic number, because the mean of its divisors is an integer number (1976425920).

Almost surely, 2^118640209248 is an apocalyptic number.

118640209248 is a gapful number since it is divisible by the number (18) 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 118640209248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189736888320).

118640209248 is an abundant number, since it is smaller than the sum of its proper divisors (260833567392).

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

118640209248 is a wasteful number, since it uses less digits than its factorization.

118640209248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65578 (or 65564 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 118640209248 in words is "one hundred eighteen billion, six hundred forty million, two hundred nine thousand, two hundred forty-eight".