461797018722 has 210 divisors, whose sum is σ = 1155842394597. Its totient is φ = 138251082528.

The previous prime is 461797018673. The next prime is 461797018777. The reversal of 461797018722 is 227810797164.

461797018722 is a `hidden beast` number, since 4 + 617 + 9 + 7 + 0 + 18 + 7 + 2 + 2 = 666.

461797018722 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 113851581561 + 347945437161 = 337419^2 + 589869^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=480519.

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

It is an unprimeable number.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 12481000488 + ... + 12481000524.

Almost surely, 2^461797018722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461797018722

461797018722 is an abundant number, since it is smaller than the sum of its proper divisors (694045375875).

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

461797018722 is an frugal number, since it uses more digits than its factorization.

461797018722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The spelling of 461797018722 in words is "four hundred sixty-one billion, seven hundred ninety-seven million, eighteen thousand, seven hundred twenty-two".