466023138 has 64 divisors (see below), whose sum is σ = 1096236288. Its totient is φ = 129300480.

The previous prime is 466023119. The next prime is 466023139. The reversal of 466023138 is 831320664.

It is a junction number, because it is equal to n+sod(n) for n = 466023099 and 466023108.

It is not an unprimeable number, because it can be changed into a prime (466023139) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 476506 + ... + 477482.

It is an arithmetic number, because the mean of its divisors is an integer number (17128692).

Almost surely, 2^466023138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 466023138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548118144).

466023138 is an abundant number, since it is smaller than the sum of its proper divisors (630213150).

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

466023138 is a wasteful number, since it uses less digits than its factorization.

466023138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 466023138 is about 21587.5690618467. The cubic root of 466023138 is about 775.2988860350.

The spelling of 466023138 in words is "four hundred sixty-six million, twenty-three thousand, one hundred thirty-eight".