429129402 has 64 divisors (see below), whose sum is σ = 1030216320. Its totient is φ = 117725184.

The previous prime is 429129401. The next prime is 429129427. The reversal of 429129402 is 204921924.

It is not an unprimeable number, because it can be changed into a prime (429129401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16678 + ... + 33710.

It is an arithmetic number, because the mean of its divisors is an integer number (16097130).

Almost surely, 2^429129402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 429129402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515108160).

429129402 is an abundant number, since it is smaller than the sum of its proper divisors (601086918).

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

429129402 is a wasteful number, since it uses less digits than its factorization.

429129402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17087.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 429129402 is about 20715.4387353973. The cubic root of 429129402 is about 754.2744968426.

The spelling of 429129402 in words is "four hundred twenty-nine million, one hundred twenty-nine thousand, four hundred two".