2056642526 has 4 divisors (see below), whose sum is σ = 3084963792. Its totient is φ = 1028321262.

The previous prime is 2056642487. The next prime is 2056642529. The reversal of 2056642526 is 6252466502.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2056642526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056642529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514160630 + ... + 514160633.

It is an arithmetic number, because the mean of its divisors is an integer number (771240948).

Almost surely, 2^2056642526 is an apocalyptic number.

2056642526 is a deficient number, since it is larger than the sum of its proper divisors (1028321266).

2056642526 is a wasteful number, since it uses less digits than its factorization.

2056642526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028321265.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 2056642526 is about 45350.2207932883. The cubic root of 2056642526 is about 1271.7046829520.

The spelling of 2056642526 in words is "two billion, fifty-six million, six hundred forty-two thousand, five hundred twenty-six".