1429801680 has 80 divisors (see below), whose sum is σ = 4665683520. Its totient is φ = 361211904.

The previous prime is 1429801673. The next prime is 1429801757. The reversal of 1429801680 is 861089241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152217 + ... + 161336.

It is an arithmetic number, because the mean of its divisors is an integer number (58321044).

Almost surely, 2^1429801680 is an apocalyptic number.

1429801680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429801680 is an abundant number, since it is smaller than the sum of its proper divisors (3235881840).

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

1429801680 is a wasteful number, since it uses less digits than its factorization.

1429801680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313588 (or 313582 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1429801680 is about 37812.7184952365. The cubic root of 1429801680 is about 1126.5710868970.

The spelling of 1429801680 in words is "one billion, four hundred twenty-nine million, eight hundred one thousand, six hundred eighty".