2057256441 has 16 divisors (see below), whose sum is σ = 3146104320. Its totient is φ = 1327261680.

The previous prime is 2057256437. The next prime is 2057256451. The reversal of 2057256441 is 1446527502.

It is a happy number.

2057256441 is a `hidden beast` number, since 2 + 0 + 5 + 7 + 2 + 5 + 644 + 1 = 666.

It is not a de Polignac number, because 2057256441 - 2² = 2057256437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2057256396 and 2057256405.

It is not an unprimeable number, because it can be changed into a prime (2057256451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228110 + ... + 1229783.

It is an arithmetic number, because the mean of its divisors is an integer number (196631520).

Almost surely, 2^2057256441 is an apocalyptic number.

It is an amenable number.

2057256441 is a deficient number, since it is larger than the sum of its proper divisors (1088847879).

2057256441 is a wasteful number, since it uses less digits than its factorization.

2057256441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457933 (or 2457927 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2057256441 is about 45356.9888881526. The cubic root of 2057256441 is about 1271.8312064648.

The spelling of 2057256441 in words is "two billion, fifty-seven million, two hundred fifty-six thousand, four hundred forty-one".