233403032440 has 32 divisors (see below), whose sum is σ = 527795820000. Its totient is φ = 92892057984.

The previous prime is 233403032417. The next prime is 233403032461. The reversal of 233403032440 is 44230304332.

It is a junction number, because it is equal to n+sod(n) for n = 233403032399 and 233403032408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14653035 + ... + 14668954.

It is an arithmetic number, because the mean of its divisors is an integer number (16493619375).

Almost surely, 2^233403032440 is an apocalyptic number.

233403032440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233403032440 is an abundant number, since it is smaller than the sum of its proper divisors (294392787560).

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

233403032440 is a wasteful number, since it uses less digits than its factorization.

233403032440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29322199 (or 29322195 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 233403032440 its reverse (44230304332), we get a palindrome (277633336772).

The spelling of 233403032440 in words is "two hundred thirty-three billion, four hundred three million, thirty-two thousand, four hundred forty".