107187440 has 20 divisors (see below), whose sum is σ = 249210984. Its totient is φ = 42874944.

The previous prime is 107187427. The next prime is 107187449. The reversal of 107187440 is 44781701.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×107187440² = 22978294587507200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 107187397 and 107187406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107187449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669842 + ... + 670001.

Almost surely, 2^107187440 is an apocalyptic number.

107187440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107187440 is an abundant number, since it is smaller than the sum of its proper divisors (142023544).

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

107187440 is a wasteful number, since it uses less digits than its factorization.

107187440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339856 (or 1339850 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 107187440 is about 10353.1367227522. The cubic root of 107187440 is about 475.0229942700.

The spelling of 107187440 in words is "one hundred seven million, one hundred eighty-seven thousand, four hundred forty".