468623693538 has 192 divisors, whose sum is σ = 1413761836032. Its totient is φ = 112357212480.

The previous prime is 468623693497. The next prime is 468623693609. The reversal of 468623693538 is 835396326864.

468623693538 is a `hidden beast` number, since 4 + 6 + 8 + 6 + 2 + 3 + 6 + 93 + 538 = 666.

It is a super-2 number, since 2×468623693538² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4845 + ... + 968127.

It is an arithmetic number, because the mean of its divisors is an integer number (7363342896).

Almost surely, 2^468623693538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 468623693538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706880918016).

468623693538 is an abundant number, since it is smaller than the sum of its proper divisors (945138142494).

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

468623693538 is a wasteful number, since it uses less digits than its factorization.

468623693538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963331 (or 963319 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 63.

It can be divided in two parts, 4686236 and 93538, that added together give a palindrome (4779774).

The spelling of 468623693538 in words is "four hundred sixty-eight billion, six hundred twenty-three million, six hundred ninety-three thousand, five hundred thirty-eight".