464023878408 has 48 divisors (see below), whose sum is σ = 1256851821420. Its totient is φ = 154659797376.

The previous prime is 464023878407. The next prime is 464023878413. The reversal of 464023878408 is 804878320464.

It is a happy number.

464023878408 is a `hidden beast` number, since 464 + 0 + 23 + 87 + 84 + 0 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 433124566884 + 30899311524 = 658122^2 + 175782^2 .

It is a super-2 number, since 2×464023878408² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (464023878407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460510 + ... + 1067762.

Almost surely, 2^464023878408 is an apocalyptic number.

It is an amenable number.

464023878408 is an abundant number, since it is smaller than the sum of its proper divisors (792827943012).

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

464023878408 is a wasteful number, since it uses less digits than its factorization.

464023878408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617878 (or 617871 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

It can be divided in two parts, 464023 and 878408, that added together give a palindrome (1342431).

The spelling of 464023878408 in words is "four hundred sixty-four billion, twenty-three million, eight hundred seventy-eight thousand, four hundred eight".