234040232042240 has 72 divisors (see below), whose sum is σ = 603722531303808. Its totient is φ = 86414854901760.

The previous prime is 234040232042179. The next prime is 234040232042291. The reversal of 234040232042240 is 42240232040432.

It is a super-2 number, since 2×234040232042240² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 234040232042197 and 234040232042206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7032442256 + ... + 7032475535.

Almost surely, 2^{234040232042240} is an apocalyptic number.

234040232042240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234040232042240 is an abundant number, since it is smaller than the sum of its proper divisors (369682299261568).

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

234040232042240 is a wasteful number, since it uses less digits than its factorization.

234040232042240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14064917825 (or 14064917811 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 234040232042240 its reverse (42240232040432), we get a palindrome (276280464082672).

The spelling of 234040232042240 in words is "two hundred thirty-four trillion, forty billion, two hundred thirty-two million, forty-two thousand, two hundred forty".