115444420 has 96 divisors (see below), whose sum is σ = 301206528. Its totient is φ = 36191232.

The previous prime is 115444393. The next prime is 115444423. The reversal of 115444420 is 24444511.

It is not an unprimeable number, because it can be changed into a prime (115444423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249109 + ... + 249571.

It is an arithmetic number, because the mean of its divisors is an integer number (3137568).

Almost surely, 2^115444420 is an apocalyptic number.

115444420 is a gapful number since it is divisible by the number (10) 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 115444420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150603264).

115444420 is an abundant number, since it is smaller than the sum of its proper divisors (185762108).

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

115444420 is a wasteful number, since it uses less digits than its factorization.

115444420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 115444420 is about 10744.5065033253. The cubic root of 115444420 is about 486.9200396614.

Adding to 115444420 its reverse (24444511), we get a palindrome (139888931).

Subtracting from 115444420 its reverse (24444511), we obtain a palindrome (90999909).

The spelling of 115444420 in words is "one hundred fifteen million, four hundred forty-four thousand, four hundred twenty".