2057351436 has 108 divisors (see below), whose sum is σ = 6081944232. Its totient is φ = 584672256.

The previous prime is 2057351431. The next prime is 2057351459. The reversal of 2057351436 is 6341537502.

2057351436 is a `hidden beast` number, since 2 + 0 + 573 + 51 + 4 + 36 = 666.

It is a super-2 number, since 2×2057351436² = 8465389862422524192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2057351436.

It is not an unprimeable number, because it can be changed into a prime (2057351431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 337431 + ... + 343473.

Almost surely, 2^2057351436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2057351436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3040972116).

2057351436 is an abundant number, since it is smaller than the sum of its proper divisors (4024592796).

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

2057351436 is a wasteful number, since it uses less digits than its factorization.

2057351436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6260 (or 6248 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 2057351436 is about 45358.0360685954. The cubic root of 2057351436 is about 1271.8507820094.

Adding to 2057351436 its reverse (6341537502), we get a palindrome (8398888938).

The spelling of 2057351436 in words is "two billion, fifty-seven million, three hundred fifty-one thousand, four hundred thirty-six".