2056262440 has 32 divisors (see below), whose sum is σ = 4628026080. Its totient is φ = 822249792.

The previous prime is 2056262419. The next prime is 2056262443. The reversal of 2056262440 is 442626502.

It is not an unprimeable number, because it can be changed into a prime (2056262443) 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, 173587 + ... + 185053.

It is an arithmetic number, because the mean of its divisors is an integer number (144625815).

Almost surely, 2^2056262440 is an apocalyptic number.

2056262440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056262440 is an abundant number, since it is smaller than the sum of its proper divisors (2571763640).

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

2056262440 is a wasteful number, since it uses less digits than its factorization.

2056262440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15961 (or 15957 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2056262440 is about 45346.0300357154. The cubic root of 2056262440 is about 1271.6263373119.

Adding to 2056262440 its reverse (442626502), we get a palindrome (2498888942).

The spelling of 2056262440 in words is "two billion, fifty-six million, two hundred sixty-two thousand, four hundred forty".