2106340472 has 8 divisors (see below), whose sum is σ = 3949388400. Its totient is φ = 1053170232.

The previous prime is 2106340463. The next prime is 2106340487. The reversal of 2106340472 is 2740436012.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131646272 + ... + 131646287.

It is an arithmetic number, because the mean of its divisors is an integer number (493673550).

Almost surely, 2^2106340472 is an apocalyptic number.

It is an amenable number.

2106340472 is a deficient number, since it is larger than the sum of its proper divisors (1843047928).

2106340472 is a wasteful number, since it uses less digits than its factorization.

2106340472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263292565 (or 263292561 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2106340472 is about 45894.8850309051. The cubic root of 2106340472 is about 1281.8666758418.

Adding to 2106340472 its reverse (2740436012), we get a palindrome (4846776484).

The spelling of 2106340472 in words is "two billion, one hundred six million, three hundred forty thousand, four hundred seventy-two".