4158694578 has 32 divisors (see below), whose sum is σ = 9037578240. Its totient is φ = 1270907280.

The previous prime is 4158694577. The next prime is 4158694619. The reversal of 4158694578 is 8754968514.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (4158694577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 584850 + ... + 591917.

It is an arithmetic number, because the mean of its divisors is an integer number (282424320).

Almost surely, 2^4158694578 is an apocalyptic number.

4158694578 is an abundant number, since it is smaller than the sum of its proper divisors (4878883662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4158694578 is a wasteful number, since it uses less digits than its factorization.

4158694578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176822.

The product of its digits is 9676800, while the sum is 57.

The square root of 4158694578 is about 64487.9413378967. The cubic root of 4158694578 is about 1608.1220568657.

The spelling of 4158694578 in words is "four billion, one hundred fifty-eight million, six hundred ninety-four thousand, five hundred seventy-eight".