1625488384 has 88 divisors (see below), whose sum is σ = 3652175520. Its totient is φ = 717471744.

The previous prime is 1625488357. The next prime is 1625488393. The reversal of 1625488384 is 4838845261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303522 + ... + 308830.

Almost surely, 2^1625488384 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 1625488384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826087760).

1625488384 is an abundant number, since it is smaller than the sum of its proper divisors (2026687136).

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

1625488384 is a wasteful number, since it uses less digits than its factorization.

1625488384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365 (or 5347 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The square root of 1625488384 is about 40317.3459443947. The cubic root of 1625488384 is about 1175.7851119851.

The spelling of 1625488384 in words is "one billion, six hundred twenty-five million, four hundred eighty-eight thousand, three hundred eighty-four".