46671981720 has 512 divisors, whose sum is σ = 179233689600. Its totient is φ = 9456427008.

The previous prime is 46671981709. The next prime is 46671981757. The reversal of 46671981720 is 2718917664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 92786989 + ... + 92787491.

It is an arithmetic number, because the mean of its divisors is an integer number (350065800).

Almost surely, 2^46671981720 is an apocalyptic number.

46671981720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46671981720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89616844800).

46671981720 is an abundant number, since it is smaller than the sum of its proper divisors (132561707880).

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

46671981720 is a wasteful number, since it uses less digits than its factorization.

46671981720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 46671981720 in words is "forty-six billion, six hundred seventy-one million, nine hundred eighty-one thousand, seven hundred twenty".