41640555257 has 16 divisors (see below), whose sum is σ = 48824138880. Its totient is φ = 34776413952.

The previous prime is 41640555199. The next prime is 41640555263. The reversal of 41640555257 is 75255504614.

It is not a de Polignac number, because 41640555257 - 2¹⁸ = 41640293113 is a prime.

It is a super-2 number, since 2×41640555257² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41640555457) 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, 399458 + ... + 492795.

It is an arithmetic number, because the mean of its divisors is an integer number (3051508680).

Almost surely, 2^41640555257 is an apocalyptic number.

It is an amenable number.

41640555257 is a deficient number, since it is larger than the sum of its proper divisors (7183583623).

41640555257 is a wasteful number, since it uses less digits than its factorization.

41640555257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892432.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 41640555257 in words is "forty-one billion, six hundred forty million, five hundred fifty-five thousand, two hundred fifty-seven".