234040416240 has 80 divisors (see below), whose sum is σ = 725988283776. Its totient is φ = 62370950400.

The previous prime is 234040416229. The next prime is 234040416263. The reversal of 234040416240 is 42614040432.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 234040416198 and 234040416207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66675 + ... + 687405.

Almost surely, 2^234040416240 is an apocalyptic number.

234040416240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234040416240 is an abundant number, since it is smaller than the sum of its proper divisors (491947867536).

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

234040416240 is a wasteful number, since it uses less digits than its factorization.

234040416240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622318 (or 622312 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 234040416240 its reverse (42614040432), we get a palindrome (276654456672).

The spelling of 234040416240 in words is "two hundred thirty-four billion, forty million, four hundred sixteen thousand, two hundred forty".