429018856 has 32 divisors (see below), whose sum is σ = 934404480. Its totient is φ = 180849600.

The previous prime is 429018853. The next prime is 429018857. The reversal of 429018856 is 658810924.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (429018853) 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, 59380 + ... + 66211.

It is an arithmetic number, because the mean of its divisors is an integer number (29200140).

Almost surely, 2^429018856 is an apocalyptic number.

It is an amenable number.

429018856 is an abundant number, since it is smaller than the sum of its proper divisors (505385624).

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

429018856 is a wasteful number, since it uses less digits than its factorization.

429018856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125665 (or 125661 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 429018856 is about 20712.7703603357. The cubic root of 429018856 is about 754.2097229158.

The spelling of 429018856 in words is "four hundred twenty-nine million, eighteen thousand, eight hundred fifty-six".