4255678658 has 24 divisors (see below), whose sum is σ = 8018967936. Its totient is φ = 1658055960.

The previous prime is 4255678657. The next prime is 4255678699. The reversal of 4255678658 is 8568765524.

It is a super-2 number, since 2×4255678658² = 36221601680313361928, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4255678657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1254410 + ... + 1257797.

It is an arithmetic number, because the mean of its divisors is an integer number (334123664).

Almost surely, 2^4255678658 is an apocalyptic number.

4255678658 is a deficient number, since it is larger than the sum of its proper divisors (3763289278).

4255678658 is a wasteful number, since it uses less digits than its factorization.

4255678658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512238 (or 2512227 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 56.

The square root of 4255678658 is about 65235.5628319401. The cubic root of 4255678658 is about 1620.5270167156.

The spelling of 4255678658 in words is "four billion, two hundred fifty-five million, six hundred seventy-eight thousand, six hundred fifty-eight".