1534638448 has 60 divisors (see below), whose sum is σ = 3475575912. Its totient is φ = 654514560.

The previous prime is 1534638431. The next prime is 1534638461. The reversal of 1534638448 is 8448364351.

It is a junction number, because it is equal to n+sod(n) for n = 1534638398 and 1534638407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160786 + ... + 170062.

Almost surely, 2^1534638448 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 1534638448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737787956).

1534638448 is an abundant number, since it is smaller than the sum of its proper divisors (1940937464).

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

1534638448 is a wasteful number, since it uses less digits than its factorization.

1534638448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510 (or 9497 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 46.

The square root of 1534638448 is about 39174.4616810493. The cubic root of 1534638448 is about 1153.4586357081.

The spelling of 1534638448 in words is "one billion, five hundred thirty-four million, six hundred thirty-eight thousand, four hundred forty-eight".