2107666240 has 56 divisors (see below), whose sum is σ = 5089623552. Its totient is φ = 831183360.

The previous prime is 2107666229. The next prime is 2107666241. The reversal of 2107666240 is 426667012.

It is a junction number, because it is equal to n+sod(n) for n = 2107666196 and 2107666205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107666241) 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, 23664 + ... + 69103.

Almost surely, 2^2107666240 is an apocalyptic number.

2107666240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2107666240 is an abundant number, since it is smaller than the sum of its proper divisors (2981957312).

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

2107666240 is an equidigital number, since it uses as much as digits as its factorization.

2107666240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92855 (or 92845 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2107666240 is about 45909.3262856252. The cubic root of 2107666240 is about 1282.1355626322.

The spelling of 2107666240 in words is "two billion, one hundred seven million, six hundred sixty-six thousand, two hundred forty".