2056445340 has 48 divisors (see below), whose sum is σ = 5774146560. Its totient is φ = 546852160.

The previous prime is 2056445317. The next prime is 2056445351. The reversal of 2056445340 is 435446502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26196 + ... + 69275.

It is an arithmetic number, because the mean of its divisors is an integer number (120294720).

Almost surely, 2^2056445340 is an apocalyptic number.

2056445340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056445340 is an abundant number, since it is smaller than the sum of its proper divisors (3717701220).

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

2056445340 is a wasteful number, since it uses less digits than its factorization.

2056445340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95842 (or 95840 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 2056445340 is about 45348.0467054536. The cubic root of 2056445340 is about 1271.6640389783.

The spelling of 2056445340 in words is "two billion, fifty-six million, four hundred forty-five thousand, three hundred forty".