671377044060 has 36 divisors (see below), whose sum is σ = 2036510367528. Its totient is φ = 179033878368.

The previous prime is 671377044059. The next prime is 671377044089. The reversal of 671377044060 is 60440773176.

671377044060 is a `hidden beast` number, since 6 + 7 + 137 + 70 + 440 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 671377043997 and 671377044015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1864936054 + ... + 1864936413.

Almost surely, 2^671377044060 is an apocalyptic number.

671377044060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

671377044060 is an abundant number, since it is smaller than the sum of its proper divisors (1365133323468).

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

671377044060 is a wasteful number, since it uses less digits than its factorization.

671377044060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729872482 (or 3729872477 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 671377044060 in words is "six hundred seventy-one billion, three hundred seventy-seven million, forty-four thousand, sixty".