1485792438 has 128 divisors (see below), whose sum is σ = 3522355200. Its totient is φ = 413683200.

The previous prime is 1485792391. The next prime is 1485792439. The reversal of 1485792438 is 8342975841.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485792439) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7778923 + ... + 7779113.

It is an arithmetic number, because the mean of its divisors is an integer number (27518400).

Almost surely, 2^1485792438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1485792438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761177600).

1485792438 is an abundant number, since it is smaller than the sum of its proper divisors (2036562762).

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

1485792438 is a wasteful number, since it uses less digits than its factorization.

1485792438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its digits is 1935360, while the sum is 51.

The square root of 1485792438 is about 38545.9782337924. The cubic root of 1485792438 is about 1141.0886384407.

The spelling of 1485792438 in words is "one billion, four hundred eighty-five million, seven hundred ninety-two thousand, four hundred thirty-eight".