46581858972 has 192 divisors, whose sum is σ = 143156428800. Its totient is φ = 12941208000.

The previous prime is 46581858931. The next prime is 46581859019. The reversal of 46581858972 is 27985818564.

46581858972 is a `hidden beast` number, since 46 + 5 + 8 + 1 + 8 + 589 + 7 + 2 = 666.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 666447 + ... + 733017.

It is an arithmetic number, because the mean of its divisors is an integer number (745606400).

Almost surely, 2^46581858972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46581858972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71578214400).

46581858972 is an abundant number, since it is smaller than the sum of its proper divisors (96574569828).

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

46581858972 is a wasteful number, since it uses less digits than its factorization.

46581858972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66645 (or 66637 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 63.

The spelling of 46581858972 in words is "forty-six billion, five hundred eighty-one million, eight hundred fifty-eight thousand, nine hundred seventy-two".