1532439020 has 48 divisors (see below), whose sum is σ = 3712262400. Its totient is φ = 520492224.

The previous prime is 1532438989. The next prime is 1532439059. The reversal of 1532439020 is 209342351.

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, 36170 + ... + 66129.

It is an arithmetic number, because the mean of its divisors is an integer number (77338800).

Almost surely, 2^1532439020 is an apocalyptic number.

1532439020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1532439020 is an abundant number, since it is smaller than the sum of its proper divisors (2179823380).

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

1532439020 is a wasteful number, since it uses less digits than its factorization.

1532439020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102422 (or 102420 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1532439020 is about 39146.3793983556. The cubic root of 1532439020 is about 1152.9073305748.

The spelling of 1532439020 in words is "one billion, five hundred thirty-two million, four hundred thirty-nine thousand, twenty".