234423742240 has 48 divisors (see below), whose sum is σ = 554085577080. Its totient is φ = 93725562880.

The previous prime is 234423742213. The next prime is 234423742247. The reversal of 234423742240 is 42247324432.

It can be written as a sum of positive squares in 4 ways, for example, as 226123074576 + 8300667664 = 475524^2 + 91108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 234423742240.

It is not an unprimeable number, because it can be changed into a prime (234423742247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396 + ... + 684724.

Almost surely, 2^234423742240 is an apocalyptic number.

234423742240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234423742240 is an abundant number, since it is smaller than the sum of its proper divisors (319661834840).

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

234423742240 is a wasteful number, since it uses less digits than its factorization.

234423742240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686485 (or 686477 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 37.

The spelling of 234423742240 in words is "two hundred thirty-four billion, four hundred twenty-three million, seven hundred forty-two thousand, two hundred forty".