2128740140670 has 128 divisors (see below), whose sum is σ = 6078131619840. Its totient is φ = 470331463680.

The previous prime is 2128740140633. The next prime is 2128740140689. The reversal of 2128740140670 is 760410478212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2801659 + ... + 3479478.

It is an arithmetic number, because the mean of its divisors is an integer number (47485403280).

Almost surely, 2^{2128740140670} is an apocalyptic number.

2128740140670 is an abundant number, since it is smaller than the sum of its proper divisors (3949391479170).

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

2128740140670 is a wasteful number, since it uses less digits than its factorization.

2128740140670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281250.

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 2128740140670 in words is "two trillion, one hundred twenty-eight billion, seven hundred forty million, one hundred forty thousand, six hundred seventy".