1234404233240 has 32 divisors (see below), whose sum is σ = 2940786557280. Its totient is φ = 464716887552.

The previous prime is 1234404233221. The next prime is 1234404233269. The reversal of 1234404233240 is 423324044321.

It is a super-2 number, since 2×1234404233240² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1234404233197 and 1234404233206.

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, 907649492 + ... + 907650851.

It is an arithmetic number, because the mean of its divisors is an integer number (91899579915).

Almost surely, 2^{1234404233240} is an apocalyptic number.

1234404233240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234404233240 is an abundant number, since it is smaller than the sum of its proper divisors (1706382324040).

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

1234404233240 is a wasteful number, since it uses less digits than its factorization.

1234404233240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815300371 (or 1815300367 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1234404233240 its reverse (423324044321), we get a palindrome (1657728277561).

The spelling of 1234404233240 in words is "one trillion, two hundred thirty-four billion, four hundred four million, two hundred thirty-three thousand, two hundred forty".