4157578452 has 24 divisors (see below), whose sum is σ = 9907422336. Its totient is φ = 1356372928.

The previous prime is 4157578433. The next prime is 4157578457. The reversal of 4157578452 is 2548757514.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4157578457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3685233 + ... + 3686360.

It is an arithmetic number, because the mean of its divisors is an integer number (412809264).

Almost surely, 2^4157578452 is an apocalyptic number.

It is an amenable number.

4157578452 is an abundant number, since it is smaller than the sum of its proper divisors (5749843884).

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

4157578452 is a wasteful number, since it uses less digits than its factorization.

4157578452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7371647 (or 7371645 counting only the distinct ones).

The product of its digits is 1568000, while the sum is 48.

The square root of 4157578452 is about 64479.2869997800. The cubic root of 4157578452 is about 1607.9781793900.

The spelling of 4157578452 in words is "four billion, one hundred fifty-seven million, five hundred seventy-eight thousand, four hundred fifty-two".