1521472632 has 64 divisors (see below), whose sum is σ = 4025064960. Its totient is φ = 478262400.

The previous prime is 1521472607. The next prime is 1521472651. The reversal of 1521472632 is 2362741251.

It is a junction number, because it is equal to n+sod(n) for n = 1521472593 and 1521472602.

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, 19782 + ... + 58602.

It is an arithmetic number, because the mean of its divisors is an integer number (62891640).

Almost surely, 2^1521472632 is an apocalyptic number.

1521472632 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 1521472632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2012532480).

1521472632 is an abundant number, since it is smaller than the sum of its proper divisors (2503592328).

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

1521472632 is a wasteful number, since it uses less digits than its factorization.

1521472632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38924 (or 38920 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 1521472632 is about 39006.0589139687. The cubic root of 1521472632 is about 1150.1506121580.

The spelling of 1521472632 in words is "one billion, five hundred twenty-one million, four hundred seventy-two thousand, six hundred thirty-two".