4045178347557 has 16 divisors (see below), whose sum is σ = 5628365170560. Its totient is φ = 2579400667712.

The previous prime is 4045178347501. The next prime is 4045178347559. The reversal of 4045178347557 is 7557438715404.

It is a cyclic number.

It is not a de Polignac number, because 4045178347557 - 2¹⁰ = 4045178346533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4045178347557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045178347559) 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, 162258 + ... + 2848979.

It is an arithmetic number, because the mean of its divisors is an integer number (351772823160).

Almost surely, 2^{4045178347557} is an apocalyptic number.

It is an amenable number.

4045178347557 is a deficient number, since it is larger than the sum of its proper divisors (1583186823003).

4045178347557 is a wasteful number, since it uses less digits than its factorization.

4045178347557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030732.

The product of its (nonzero) digits is 65856000, while the sum is 60.

The spelling of 4045178347557 in words is "four trillion, forty-five billion, one hundred seventy-eight million, three hundred forty-seven thousand, five hundred fifty-seven".