110691440 has 40 divisors (see below), whose sum is σ = 258385248. Its totient is φ = 44099840.

The previous prime is 110691419. The next prime is 110691461. The reversal of 110691440 is 44196011.

It is a Cunningham number, because it is equal to 10521²-1.

It is an interprime number because it is at equal distance from previous prime (110691419) and next prime (110691461).

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, 18410 + ... + 23670.

Almost surely, 2^110691440 is an apocalyptic number.

110691440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110691440 is an abundant number, since it is smaller than the sum of its proper divisors (147693808).

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

110691440 is a wasteful number, since it uses less digits than its factorization.

110691440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 110691440 is about 10520.9999524760. Note that the first 4 decimals coincide. The cubic root of 110691440 is about 480.1438226428.

The spelling of 110691440 in words is "one hundred ten million, six hundred ninety-one thousand, four hundred forty".