23402025553440 has 192 divisors, whose sum is σ = 75781641761280. Its totient is φ = 6066028154880.

The previous prime is 23402025553411. The next prime is 23402025553451. The reversal of 23402025553440 is 4435552020432.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17818530 + ... + 19086750.

It is an arithmetic number, because the mean of its divisors is an integer number (394696050840).

Almost surely, 2^{23402025553440} is an apocalyptic number.

23402025553440 is a gapful number since it is divisible by the number (20) 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 23402025553440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37890820880640).

23402025553440 is an abundant number, since it is smaller than the sum of its proper divisors (52379616207840).

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

23402025553440 is a wasteful number, since it uses less digits than its factorization.

23402025553440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269315 (or 1269307 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 23402025553440 its reverse (4435552020432), we get a palindrome (27837577573872).

The spelling of 23402025553440 in words is "twenty-three trillion, four hundred two billion, twenty-five million, five hundred fifty-three thousand, four hundred forty".