1429044740 has 48 divisors (see below), whose sum is σ = 3163853952. Its totient is φ = 541111296.

The previous prime is 1429044733. The next prime is 1429044779. The reversal of 1429044740 is 474409241.

It is a self number, because there is not a number n which added to its sum of digits gives 1429044740.

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, 28607 + ... + 60633.

It is an arithmetic number, because the mean of its divisors is an integer number (65913624).

Almost surely, 2^1429044740 is an apocalyptic number.

1429044740 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 1429044740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581926976).

1429044740 is an abundant number, since it is smaller than the sum of its proper divisors (1734809212).

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

1429044740 is a wasteful number, since it uses less digits than its factorization.

1429044740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32156 (or 32154 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1429044740 is about 37802.7081040499. The cubic root of 1429044740 is about 1126.3722487745.

The spelling of 1429044740 in words is "one billion, four hundred twenty-nine million, forty-four thousand, seven hundred forty".