46521775872 has 720 divisors, whose sum is σ = 168902506080. Its totient is φ = 12541132800.

The previous prime is 46521775849. The next prime is 46521775879. The reversal of 46521775872 is 27857712564.

46521775872 is a `hidden beast` number, since 4 + 6 + 52 + 1 + 7 + 7 + 587 + 2 = 666.

46521775872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46521775879) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 85991922 + ... + 85992462.

It is an arithmetic number, because the mean of its divisors is an integer number (234586814).

Almost surely, 2^46521775872 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 46521775872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84451253040).

46521775872 is an abundant number, since it is smaller than the sum of its proper divisors (122380730208).

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

46521775872 is a wasteful number, since it uses less digits than its factorization.

46521775872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 599 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The spelling of 46521775872 in words is "forty-six billion, five hundred twenty-one million, seven hundred seventy-five thousand, eight hundred seventy-two".