1428876564 has 48 divisors (see below), whose sum is σ = 3512850432. Its totient is φ = 451151712.

The previous prime is 1428876511. The next prime is 1428876601. The reversal of 1428876564 is 4656788241.

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, 3297 + ... + 53559.

It is an arithmetic number, because the mean of its divisors is an integer number (73184384).

Almost surely, 2^1428876564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428876564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756425216).

1428876564 is an abundant number, since it is smaller than the sum of its proper divisors (2083973868).

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

1428876564 is a wasteful number, since it uses less digits than its factorization.

1428876564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50396 (or 50394 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 1428876564 is about 37800.4836476995. The cubic root of 1428876564 is about 1126.3280616320.

The spelling of 1428876564 in words is "one billion, four hundred twenty-eight million, eight hundred seventy-six thousand, five hundred sixty-four".