4351233421040 has 320 divisors, whose sum is σ = 12098195665920. Its totient is φ = 1436682240000.

The previous prime is 4351233421037. The next prime is 4351233421043. The reversal of 4351233421040 is 401243321534.

It is an interprime number because it is at equal distance from previous prime (4351233421037) and next prime (4351233421043).

It is a junction number, because it is equal to n+sod(n) for n = 4351233420988 and 4351233421006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4351233421043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 664205765 + ... + 664212315.

It is an arithmetic number, because the mean of its divisors is an integer number (37806861456).

Almost surely, 2^{4351233421040} is an apocalyptic number.

4351233421040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4351233421040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6049097832960).

4351233421040 is an abundant number, since it is smaller than the sum of its proper divisors (7746962244880).

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

4351233421040 is a wasteful number, since it uses less digits than its factorization.

4351233421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8152 (or 8146 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 4351233421040 its reverse (401243321534), we get a palindrome (4752476742574).

The spelling of 4351233421040 in words is "four trillion, three hundred fifty-one billion, two hundred thirty-three million, four hundred twenty-one thousand, forty".