671043402624 has 64 divisors (see below), whose sum is σ = 2037096051840. Its totient is φ = 191726685696.

The previous prime is 671043402613. The next prime is 671043402643. The reversal of 671043402624 is 426204340176.

671043402624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

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, 124819374 + ... + 124824749.

It is an arithmetic number, because the mean of its divisors is an integer number (31829625810).

Almost surely, 2^671043402624 is an apocalyptic number.

671043402624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

671043402624 is an abundant number, since it is smaller than the sum of its proper divisors (1366052649216).

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

671043402624 is a wasteful number, since it uses less digits than its factorization.

671043402624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249644147 (or 249644135 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 671043402624 in words is "six hundred seventy-one billion, forty-three million, four hundred two thousand, six hundred twenty-four".