671401315460 has 24 divisors (see below), whose sum is σ = 1484150277120. Its totient is φ = 254425761504.

The previous prime is 671401315447. The next prime is 671401315469. The reversal of 671401315460 is 64513104176.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (671401315469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883422404 + ... + 883423163.

It is an arithmetic number, because the mean of its divisors is an integer number (61839594880).

Almost surely, 2^671401315460 is an apocalyptic number.

It is an amenable number.

671401315460 is an abundant number, since it is smaller than the sum of its proper divisors (812748961660).

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

671401315460 is a wasteful number, since it uses less digits than its factorization.

671401315460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766845595 (or 1766845593 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 671401315460 in words is "six hundred seventy-one billion, four hundred one million, three hundred fifteen thousand, four hundred sixty".