118694640 has 40 divisors (see below), whose sum is σ = 367954128. Its totient is φ = 31651840.

The previous prime is 118694633. The next prime is 118694647. The reversal of 118694640 is 46496811.

It is an interprime number because it is at equal distance from previous prime (118694633) and next prime (118694647).

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118694647) 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, 247041 + ... + 247520.

Almost surely, 2^118694640 is an apocalyptic number.

118694640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118694640 is an abundant number, since it is smaller than the sum of its proper divisors (249259488).

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

118694640 is a wasteful number, since it uses less digits than its factorization.

118694640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494577 (or 494571 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 118694640 is about 10894.7069717363. The cubic root of 118694640 is about 491.4473933016.

The spelling of 118694640 in words is "one hundred eighteen million, six hundred ninety-four thousand, six hundred forty".