4257666135 has 48 divisors (see below), whose sum is σ = 7454026944. Its totient is φ = 2248060416.

The previous prime is 4257666131. The next prime is 4257666143. The reversal of 4257666135 is 5316667524.

It is not a de Polignac number, because 4257666135 - 2² = 4257666131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257666131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3100309 + ... + 3101681.

It is an arithmetic number, because the mean of its divisors is an integer number (155292228).

Almost surely, 2^4257666135 is an apocalyptic number.

4257666135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4257666135 is a deficient number, since it is larger than the sum of its proper divisors (3196360809).

4257666135 is a wasteful number, since it uses less digits than its factorization.

4257666135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024 (or 2021 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 4257666135 is about 65250.7941330985. The cubic root of 4257666135 is about 1620.7792490212.

The spelling of 4257666135 in words is "four billion, two hundred fifty-seven million, six hundred sixty-six thousand, one hundred thirty-five".