468402381 has 6 divisors (see below), whose sum is σ = 676581230. Its totient is φ = 312268248.

The previous prime is 468402379. The next prime is 468402391. The reversal of 468402381 is 183204864.

It can be written as a sum of positive squares in only one way, i.e., 280026756 + 188375625 = 16734^2 + 13725^2 .

It is not a de Polignac number, because 468402381 - 2¹ = 468402379 is a prime.

It is a super-2 number, since 2×468402381² = 438801581052938322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468402301) 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, 26022346 + ... + 26022363.

Almost surely, 2^468402381 is an apocalyptic number.

It is an amenable number.

468402381 is a deficient number, since it is larger than the sum of its proper divisors (208178849).

468402381 is a wasteful number, since it uses less digits than its factorization.

468402381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52044715 (or 52044712 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 468402381 is about 21642.6056887797. The cubic root of 468402381 is about 776.6160553470.

The spelling of 468402381 in words is "four hundred sixty-eight million, four hundred two thousand, three hundred eighty-one".