429160644 has 72 divisors (see below), whose sum is σ = 1185719808. Its totient is φ = 129798720.

The previous prime is 429160643. The next prime is 429160673. The reversal of 429160644 is 446061924.

429160644 is a `hidden beast` number, since 4 + 2 + 9 + 1 + 6 + 0 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 429160599 and 429160608.

It is not an unprimeable number, because it can be changed into a prime (429160643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394269 + ... + 395355.

Almost surely, 2^429160644 is an apocalyptic number.

429160644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 429160644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592859904).

429160644 is an abundant number, since it is smaller than the sum of its proper divisors (756559164).

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

429160644 is a wasteful number, since it uses less digits than its factorization.

429160644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 429160644 is about 20716.1927969403. The cubic root of 429160644 is about 754.2928009345.

The spelling of 429160644 in words is "four hundred twenty-nine million, one hundred sixty thousand, six hundred forty-four".