429299680 has 96 divisors (see below), whose sum is σ = 1073520000. Its totient is φ = 161782272.

The previous prime is 429299677. The next prime is 429299681. The reversal of 429299680 is 86992924.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429299681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860071 + ... + 860569.

It is an arithmetic number, because the mean of its divisors is an integer number (11182500).

Almost surely, 2^429299680 is an apocalyptic number.

429299680 is a gapful number since it is divisible by the number (40) 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 429299680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536760000).

429299680 is an abundant number, since it is smaller than the sum of its proper divisors (644220320).

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

429299680 is a wasteful number, since it uses less digits than its factorization.

429299680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 429299680 is about 20719.5482576238. The cubic root of 429299680 is about 754.3742487031.

The spelling of 429299680 in words is "four hundred twenty-nine million, two hundred ninety-nine thousand, six hundred eighty".