671043048 has 64 divisors (see below), whose sum is σ = 1828491840. Its totient is φ = 203979264.

The previous prime is 671043047. The next prime is 671043053. The reversal of 671043048 is 840340176.

It is not an unprimeable number, because it can be changed into a prime (671043047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12940 + ... + 38852.

It is an arithmetic number, because the mean of its divisors is an integer number (28570185).

Almost surely, 2^671043048 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 671043048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914245920).

671043048 is an abundant number, since it is smaller than the sum of its proper divisors (1157448792).

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

671043048 is a wasteful number, since it uses less digits than its factorization.

671043048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26018 (or 26014 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 671043048 is about 25904.4986054546. The cubic root of 671043048 is about 875.4878576851.

The spelling of 671043048 in words is "six hundred seventy-one million, forty-three thousand, forty-eight".