234278482464 has 120 divisors (see below), whose sum is σ = 742007116620. Its totient is φ = 72085676544.

The previous prime is 234278482447. The next prime is 234278482511. The reversal of 234278482464 is 464284872432.

234278482464 is a `hidden beast` number, since 2 + 3 + 4 + 27 + 84 + 82 + 464 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 217510304400 + 16768178064 = 466380^2 + 129492^2 .

It is a super-2 number, since 2×234278482464² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 234278482464.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3442659 + ... + 3510050.

Almost surely, 2^234278482464 is an apocalyptic number.

234278482464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

234278482464 is an abundant number, since it is smaller than the sum of its proper divisors (507728634156).

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

234278482464 is a wasteful number, since it uses less digits than its factorization.

234278482464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952744 (or 6952727 counting only the distinct ones).

The product of its digits is 16515072, while the sum is 54.

The spelling of 234278482464 in words is "two hundred thirty-four billion, two hundred seventy-eight million, four hundred eighty-two thousand, four hundred sixty-four".