2127270164840 has 32 divisors (see below), whose sum is σ = 4833747561960. Its totient is φ = 842483232000.

The previous prime is 2127270164827. The next prime is 2127270164849. The reversal of 2127270164840 is 484610727212.

It can be written as a sum of positive squares in 4 ways, for example, as 2067320601124 + 59949563716 = 1437818^2 + 244846^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2127270164791 and 2127270164800.

It is not an unprimeable number, because it can be changed into a prime (2127270164849) 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, 263271971 + ... + 263280050.

Almost surely, 2^{2127270164840} is an apocalyptic number.

2127270164840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2127270164840 is an abundant number, since it is smaller than the sum of its proper divisors (2706477397120).

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

2127270164840 is a wasteful number, since it uses less digits than its factorization.

2127270164840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526552133 (or 526552129 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 2127270164840 in words is "two trillion, one hundred twenty-seven billion, two hundred seventy million, one hundred sixty-four thousand, eight hundred forty".