1429109920 has 96 divisors (see below), whose sum is σ = 3983164416. Its totient is φ = 474163200.

The previous prime is 1429109911. The next prime is 1429109959. The reversal of 1429109920 is 299019241.

It is a self number, because there is not a number n which added to its sum of digits gives 1429109920.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14140 + ... + 55300.

It is an arithmetic number, because the mean of its divisors is an integer number (41491296).

Almost surely, 2^1429109920 is an apocalyptic number.

1429109920 is a gapful number since it is divisible by the number (10) 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 1429109920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991582208).

1429109920 is an abundant number, since it is smaller than the sum of its proper divisors (2554054496).

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

1429109920 is a wasteful number, since it uses less digits than its factorization.

1429109920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41214 (or 41206 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 1429109920 is about 37803.5702017680. The cubic root of 1429109920 is about 1126.3893734605.

The spelling of 1429109920 in words is "one billion, four hundred twenty-nine million, one hundred nine thousand, nine hundred twenty".