468438381 has 6 divisors (see below), whose sum is σ = 676633230. Its totient is φ = 312292248.

The previous prime is 468438379. The next prime is 468438409. The reversal of 468438381 is 183834864.

It can be written as a sum of positive squares in only one way, i.e., 286997481 + 181440900 = 16941^2 + 13470^2 .

It is not a de Polignac number, because 468438381 - 2¹ = 468438379 is a prime.

It is a super-2 number, since 2×468438381² = 438869033587802322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468438361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26024346 + ... + 26024363.

It is an arithmetic number, because the mean of its divisors is an integer number (112772205).

Almost surely, 2^468438381 is an apocalyptic number.

It is an amenable number.

468438381 is a deficient number, since it is larger than the sum of its proper divisors (208194849).

468438381 is a wasteful number, since it uses less digits than its factorization.

468438381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52048715 (or 52048712 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 468438381 is about 21643.4373656312. The cubic root of 468438381 is about 776.6359509630.

The spelling of 468438381 in words is "four hundred sixty-eight million, four hundred thirty-eight thousand, three hundred eighty-one".