1429719240 has 32 divisors (see below), whose sum is σ = 4289158080. Its totient is φ = 381258432.

The previous prime is 1429719233. The next prime is 1429719253. The reversal of 1429719240 is 429179241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5957044 + ... + 5957283.

It is an arithmetic number, because the mean of its divisors is an integer number (134036190).

Almost surely, 2^1429719240 is an apocalyptic number.

1429719240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429719240 is an abundant number, since it is smaller than the sum of its proper divisors (2859438840).

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

1429719240 is a wasteful number, since it uses less digits than its factorization.

1429719240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11914341 (or 11914337 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1429719240 is about 37811.6283701192. The cubic root of 1429719240 is about 1126.5494344057.

The spelling of 1429719240 in words is "one billion, four hundred twenty-nine million, seven hundred nineteen thousand, two hundred forty".