118776640 has 28 divisors (see below), whose sum is σ = 282837636. Its totient is φ = 47510528.

The previous prime is 118776629. The next prime is 118776649. The reversal of 118776640 is 46677811.

It can be written as a sum of positive squares in 2 ways, for example, as 40347904 + 78428736 = 6352^2 + 8856^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 118776593 and 118776602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118776649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185269 + ... + 185908.

Almost surely, 2^118776640 is an apocalyptic number.

118776640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118776640 is an abundant number, since it is smaller than the sum of its proper divisors (164060996).

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

118776640 is an equidigital number, since it uses as much as digits as its factorization.

118776640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371194 (or 371184 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 118776640 is about 10898.4696173362. The cubic root of 118776640 is about 491.5605391289.

The spelling of 118776640 in words is "one hundred eighteen million, seven hundred seventy-six thousand, six hundred forty".