1428100480 has 32 divisors (see below), whose sum is σ = 3414054240. Its totient is φ = 571239936.

The previous prime is 1428100379. The next prime is 1428100481. The reversal of 1428100480 is 840018241.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428100481) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1115064 + ... + 1116343.

It is an arithmetic number, because the mean of its divisors is an integer number (106689195).

Almost surely, 2^1428100480 is an apocalyptic number.

1428100480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428100480 is an abundant number, since it is smaller than the sum of its proper divisors (1985953760).

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

1428100480 is an equidigital number, since it uses as much as digits as its factorization.

1428100480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231426 (or 2231414 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 1428100480 is about 37790.2167233796. The cubic root of 1428100480 is about 1126.1241057142.

The spelling of 1428100480 in words is "one billion, four hundred twenty-eight million, one hundred thousand, four hundred eighty".