2127449420 has 24 divisors (see below), whose sum is σ = 4540886448. Its totient is φ = 837028800.

The previous prime is 2127449383. The next prime is 2127449453. The reversal of 2127449420 is 249447212.

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, 870686 + ... + 873125.

It is an arithmetic number, because the mean of its divisors is an integer number (189203602).

Almost surely, 2^2127449420 is an apocalyptic number.

2127449420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2127449420 is an abundant number, since it is smaller than the sum of its proper divisors (2413437028).

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

2127449420 is a wasteful number, since it uses less digits than its factorization.

2127449420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743881 (or 1743879 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2127449420 is about 46124.2823250400. The cubic root of 2127449420 is about 1286.1345780907.

The spelling of 2127449420 in words is "two billion, one hundred twenty-seven million, four hundred forty-nine thousand, four hundred twenty".