1431828528 has 80 divisors (see below), whose sum is σ = 3992931936. Its totient is φ = 439511040.

The previous prime is 1431828523. The next prime is 1431828533. The reversal of 1431828528 is 8258281341.

It is an interprime number because it is at equal distance from previous prime (1431828523) and next prime (1431828533).

It is a self number, because there is not a number n which added to its sum of digits gives 1431828528.

It is not an unprimeable number, because it can be changed into a prime (1431828523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282658 + ... + 287678.

Almost surely, 2^1431828528 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 1431828528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996465968).

1431828528 is an abundant number, since it is smaller than the sum of its proper divisors (2561103408).

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

1431828528 is a wasteful number, since it uses less digits than its factorization.

1431828528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502 (or 5496 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 1431828528 is about 37839.5101448208. The cubic root of 1431828528 is about 1127.1031677394.

The spelling of 1431828528 in words is "one billion, four hundred thirty-one million, eight hundred twenty-eight thousand, five hundred twenty-eight".