115444013240 has 64 divisors (see below), whose sum is σ = 267717411360. Its totient is φ = 44774830080.

The previous prime is 115444013149. The next prime is 115444013249. The reversal of 115444013240 is 42310444511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115444013249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51392 + ... + 483248.

Almost surely, 2^115444013240 is an apocalyptic number.

115444013240 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 115444013240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133858705680).

115444013240 is an abundant number, since it is smaller than the sum of its proper divisors (152273398120).

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

115444013240 is a wasteful number, since it uses less digits than its factorization.

115444013240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432072 (or 432068 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 115444013240 its reverse (42310444511), we get a palindrome (157754457751).

The spelling of 115444013240 in words is "one hundred fifteen billion, four hundred forty-four million, thirteen thousand, two hundred forty".