4045887657 has 64 divisors (see below), whose sum is σ = 7166914560. Its totient is φ = 2205574272.

The previous prime is 4045887631. The next prime is 4045887679. The reversal of 4045887657 is 7567885404.

4045887657 is a `hidden beast` number, since 4 + 0 + 4 + 588 + 7 + 6 + 57 = 666.

4045887657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4045887657 - 2²² = 4041693353 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4045889657) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2029053 + ... + 2031045.

It is an arithmetic number, because the mean of its divisors is an integer number (111983040).

Almost surely, 2^4045887657 is an apocalyptic number.

It is an amenable number.

4045887657 is a deficient number, since it is larger than the sum of its proper divisors (3121026903).

4045887657 is a wasteful number, since it uses less digits than its factorization.

4045887657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499 (or 2493 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The square root of 4045887657 is about 63607.2924828592. The cubic root of 4045887657 is about 1593.4481628531.

The spelling of 4045887657 in words is "four billion, forty-five million, eight hundred eighty-seven thousand, six hundred fifty-seven".