2271640970420 has 24 divisors (see below), whose sum is σ = 4773798484224. Its totient is φ = 908017826976.

The previous prime is 2271640970393. The next prime is 2271640970461. The reversal of 2271640970420 is 240790461722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39880904 + ... + 39937823.

It is an arithmetic number, because the mean of its divisors is an integer number (198908270176).

Almost surely, 2^{2271640970420} is an apocalyptic number.

2271640970420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2271640970420 is an abundant number, since it is smaller than the sum of its proper divisors (2502157513804).

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

2271640970420 is a wasteful number, since it uses less digits than its factorization.

2271640970420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79820159 (or 79820157 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 2271640970420 in words is "two trillion, two hundred seventy-one billion, six hundred forty million, nine hundred seventy thousand, four hundred twenty".