40405268057 has 16 divisors (see below), whose sum is σ = 50539517952. Its totient is φ = 31382050320.

The previous prime is 40405268053. The next prime is 40405268119. The reversal of 40405268057 is 75086250404.

It is a cyclic number.

It is not a de Polignac number, because 40405268057 - 2² = 40405268053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40405268053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 830993 + ... + 878270.

It is an arithmetic number, because the mean of its divisors is an integer number (3158719872).

Almost surely, 2^40405268057 is an apocalyptic number.

It is an amenable number.

40405268057 is a deficient number, since it is larger than the sum of its proper divisors (10134249895).

40405268057 is a wasteful number, since it uses less digits than its factorization.

40405268057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709588.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 40405268057 in words is "forty billion, four hundred five million, two hundred sixty-eight thousand, fifty-seven".