671571140424 has 32 divisors (see below), whose sum is σ = 1767292476000. Its totient is φ = 212075096832.

The previous prime is 671571140413. The next prime is 671571140441. The reversal of 671571140424 is 424041175176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736371409 + ... + 736372320.

It is an arithmetic number, because the mean of its divisors is an integer number (55227889875).

Almost surely, 2^671571140424 is an apocalyptic number.

It is an amenable number.

671571140424 is an abundant number, since it is smaller than the sum of its proper divisors (1095721335576).

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

671571140424 is a wasteful number, since it uses less digits than its factorization.

671571140424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472743757 (or 1472743753 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 671571140424 in words is "six hundred seventy-one billion, five hundred seventy-one million, one hundred forty thousand, four hundred twenty-four".