2057040036 has 30 divisors (see below), whose sum is σ = 5377509830. Its totient is φ = 685679904.

The previous prime is 2057040031. The next prime is 2057040107. The reversal of 2057040036 is 6300407502.

It is a happy number.

2057040036 is a `hidden beast` number, since 20 + 570 + 40 + 0 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1059111936 + 997928100 = 32544^2 + 31590^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2057039991 and 2057040009.

It is not an unprimeable number, because it can be changed into a prime (2057040031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3174121 + ... + 3174768.

Almost surely, 2^2057040036 is an apocalyptic number.

It is an amenable number.

2057040036 is an abundant number, since it is smaller than the sum of its proper divisors (3320469794).

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

2057040036 is a wasteful number, since it uses less digits than its factorization.

2057040036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348905 (or 6348894 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2057040036 is about 45354.6032503868. The cubic root of 2057040036 is about 1271.7866098072.

Adding to 2057040036 its reverse (6300407502), we get a palindrome (8357447538).

It can be divided in two parts, 20570 and 40036, that added together give a palindrome (60606).

The spelling of 2057040036 in words is "two billion, fifty-seven million, forty thousand, thirty-six".