2106526740 has 24 divisors (see below), whose sum is σ = 5898275040. Its totient is φ = 561740448.

The previous prime is 2106526739. The next prime is 2106526753. The reversal of 2106526740 is 476256012.

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, 17554330 + ... + 17554449.

It is an arithmetic number, because the mean of its divisors is an integer number (245761460).

Almost surely, 2^2106526740 is an apocalyptic number.

2106526740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2106526740 is an abundant number, since it is smaller than the sum of its proper divisors (3791748300).

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

2106526740 is a wasteful number, since it uses less digits than its factorization.

2106526740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35108791 (or 35108789 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2106526740 is about 45896.9142753628. The cubic root of 2106526740 is about 1281.9044607594.

The spelling of 2106526740 in words is "two billion, one hundred six million, five hundred twenty-six thousand, seven hundred forty".