1428648792 has 64 divisors (see below), whose sum is σ = 3641433600. Its totient is φ = 466957440.

The previous prime is 1428648787. The next prime is 1428648821. The reversal of 1428648792 is 2978468241.

It is a congruent number.

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, 535959 + ... + 538617.

It is an arithmetic number, because the mean of its divisors is an integer number (56897400).

Almost surely, 2^1428648792 is an apocalyptic number.

1428648792 is a gapful number since it is divisible by the number (12) 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 1428648792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1820716800).

1428648792 is an abundant number, since it is smaller than the sum of its proper divisors (2212784808).

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

1428648792 is a wasteful number, since it uses less digits than its factorization.

1428648792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096 (or 3092 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 51.

The square root of 1428648792 is about 37797.4707090303. The cubic root of 1428648792 is about 1126.2682105027.

The spelling of 1428648792 in words is "one billion, four hundred twenty-eight million, six hundred forty-eight thousand, seven hundred ninety-two".