1429721088 has 52 divisors (see below), whose sum is σ = 3812156928. Its totient is φ = 476569600.

The previous prime is 1429721081. The next prime is 1429721089. The reversal of 1429721088 is 8801279241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429721081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45888 + ... + 70463.

Almost surely, 2^1429721088 is an apocalyptic number.

It is an amenable number.

1429721088 is an abundant number, since it is smaller than the sum of its proper divisors (2382435840).

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

1429721088 is an equidigital number, since it uses as much as digits as its factorization.

1429721088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116378 (or 116356 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1429721088 is about 37811.6528070382. The cubic root of 1429721088 is about 1126.5499197836.

The spelling of 1429721088 in words is "one billion, four hundred twenty-nine million, seven hundred twenty-one thousand, eighty-eight".