4424431240400 has 240 divisors, whose sum is σ = 11737863728640. Its totient is φ = 1595311718400.

The previous prime is 4424431240393. The next prime is 4424431240409. The reversal of 4424431240400 is 40421344244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4424431240409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20339411 + ... + 20555789.

It is an arithmetic number, because the mean of its divisors is an integer number (48907765536).

Almost surely, 2^{4424431240400} is an apocalyptic number.

4424431240400 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 4424431240400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5868931864320).

4424431240400 is an abundant number, since it is smaller than the sum of its proper divisors (7313432488240).

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

4424431240400 is a wasteful number, since it uses less digits than its factorization.

4424431240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216542 (or 216531 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 4424431240400 its reverse (40421344244), we get a palindrome (4464852584644).

The spelling of 4424431240400 in words is "four trillion, four hundred twenty-four billion, four hundred thirty-one million, two hundred forty thousand, four hundred".