111679440 has 40 divisors (see below), whose sum is σ = 346207008. Its totient is φ = 29781120.

The previous prime is 111679439. The next prime is 111679459. The reversal of 111679440 is 44976111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232426 + ... + 232905.

Almost surely, 2^111679440 is an apocalyptic number.

111679440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111679440 is an abundant number, since it is smaller than the sum of its proper divisors (234527568).

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

111679440 is a wasteful number, since it uses less digits than its factorization.

111679440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465347 (or 465341 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 111679440 is about 10567.8493554744. The cubic root of 111679440 is about 481.5681352927.

The spelling of 111679440 in words is "one hundred eleven million, six hundred seventy-nine thousand, four hundred forty".