2056240 has 20 divisors (see below), whose sum is σ = 4780944. Its totient is φ = 822464.

The previous prime is 2056211. The next prime is 2056247. The reversal of 2056240 is 426502.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2056247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12772 + ... + 12931.

2^2056240 is an apocalyptic number.

2056240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056240 is an abundant number, since it is smaller than the sum of its proper divisors (2724704).

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

2056240 is a wasteful number, since it uses less digits than its factorization.

2056240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25716 (or 25710 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2056240 is about 1433.9595531255. The cubic root of 2056240 is about 127.1621711541.

It can be divided in two parts, 20562 and 40, that added together give a palindrome (20602).

The spelling of 2056240 in words is "two million, fifty-six thousand, two hundred forty".