636041432 has 16 divisors (see below), whose sum is σ = 1284314640. Its totient is φ = 293557536.

The previous prime is 636041431. The next prime is 636041447. The reversal of 636041432 is 234140636.

636041432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×636041432² = 809097406441221248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 636041395 and 636041404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636041431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3057788 + ... + 3057995.

It is an arithmetic number, because the mean of its divisors is an integer number (80269665).

Almost surely, 2^636041432 is an apocalyptic number.

It is an amenable number.

636041432 is an abundant number, since it is smaller than the sum of its proper divisors (648273208).

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

636041432 is a wasteful number, since it uses less digits than its factorization.

636041432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115802 (or 6115798 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 636041432 is about 25219.8618552918. The cubic root of 636041432 is about 859.9934342387.

The spelling of 636041432 in words is "six hundred thirty-six million, forty-one thousand, four hundred thirty-two".