1529490432 has 88 divisors (see below), whose sum is σ = 4254091776. Its totient is φ = 487641088.

The previous prime is 1529490401. The next prime is 1529490433. The reversal of 1529490432 is 2340949251.

It is not an unprimeable number, because it can be changed into a prime (1529490433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59833 + ... + 81479.

It is an arithmetic number, because the mean of its divisors is an integer number (48341952).

Almost surely, 2^1529490432 is an apocalyptic number.

1529490432 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 1529490432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2127045888).

1529490432 is an abundant number, since it is smaller than the sum of its proper divisors (2724601344).

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

1529490432 is a wasteful number, since it uses less digits than its factorization.

1529490432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21693 (or 21675 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1529490432 is about 39108.7002085214. The cubic root of 1529490432 is about 1152.1674139411.

The spelling of 1529490432 in words is "one billion, five hundred twenty-nine million, four hundred ninety thousand, four hundred thirty-two".