40003000057 has 4 divisors (see below), whose sum is σ = 40003612276. Its totient is φ = 40002387840.

The previous prime is 40003000039. The next prime is 40003000097. The reversal of 40003000057 is 75000030004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18019303696 + 21983696361 = 134236^2 + 148269^2 .

It is a cyclic number.

It is not a de Polignac number, because 40003000057 - 2¹⁹ = 40002475769 is a prime.

It is the 200008-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40002999998 and 40003000043.

It is not an unprimeable number, because it can be changed into a prime (40003000097) by changing a digit.

It is a nontrivial repunit in base 200007.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194544 + ... + 343297.

It is an arithmetic number, because the mean of its divisors is an integer number (10000903069).

Almost surely, 2^40003000057 is an apocalyptic number.

It is an amenable number.

40003000057 is a deficient number, since it is larger than the sum of its proper divisors (612219).

40003000057 is an equidigital number, since it uses as much as digits as its factorization.

40003000057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612218.

The product of its (nonzero) digits is 420, while the sum is 19.

The spelling of 40003000057 in words is "forty billion, three million, fifty-seven", and thus it is an aban number and an uban number.