1520532460 has 48 divisors (see below), whose sum is σ = 3287725056. Its totient is φ = 590369472.

The previous prime is 1520532457. The next prime is 1520532493. The reversal of 1520532460 is 642350251.

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, 134757 + ... + 145603.

It is an arithmetic number, because the mean of its divisors is an integer number (68494272).

Almost surely, 2^1520532460 is an apocalyptic number.

1520532460 is a gapful number since it is divisible by the number (10) 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 1520532460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643862528).

1520532460 is an abundant number, since it is smaller than the sum of its proper divisors (1767192596).

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

1520532460 is a wasteful number, since it uses less digits than its factorization.

1520532460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062 (or 11060 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1520532460 is about 38994.0054367335. The cubic root of 1520532460 is about 1149.9136570335.

The spelling of 1520532460 in words is "one billion, five hundred twenty million, five hundred thirty-two thousand, four hundred sixty".