1428008832 has 64 divisors (see below), whose sum is σ = 4214619600. Its totient is φ = 476001792.

The previous prime is 1428008773. The next prime is 1428008909. The reversal of 1428008832 is 2388008241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 203143 + ... + 210054.

Almost surely, 2^1428008832 is an apocalyptic number.

1428008832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1428008832 is an abundant number, since it is smaller than the sum of its proper divisors (2786610768).

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

1428008832 is an equidigital number, since it uses as much as digits as its factorization.

1428008832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413220 (or 413202 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 1428008832 is about 37789.0041149539. The cubic root of 1428008832 is about 1126.1000156189.

The spelling of 1428008832 in words is "one billion, four hundred twenty-eight million, eight thousand, eight hundred thirty-two".