631448048 has 80 divisors (see below), whose sum is σ = 1529735424. Its totient is φ = 245306880.

The previous prime is 631448047. The next prime is 631448087. The reversal of 631448048 is 840844136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631448047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673436 + ... + 674372.

Almost surely, 2^631448048 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 631448048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764867712).

631448048 is an abundant number, since it is smaller than the sum of its proper divisors (898287376).

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

631448048 is a wasteful number, since it uses less digits than its factorization.

631448048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 631448048 is about 25128.6300462242. The cubic root of 631448048 is about 857.9181879637.

The spelling of 631448048 in words is "six hundred thirty-one million, four hundred forty-eight thousand, forty-eight".