115434331440 has 80 divisors (see below), whose sum is σ = 361867240800. Its totient is φ = 30436612096.

The previous prime is 115434331433. The next prime is 115434331501. The reversal of 115434331440 is 44133434511.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2680755 + ... + 2723474.

It is an arithmetic number, because the mean of its divisors is an integer number (4523340510).

Almost surely, 2^115434331440 is an apocalyptic number.

115434331440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115434331440 is an abundant number, since it is smaller than the sum of its proper divisors (246432909360).

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

115434331440 is a wasteful number, since it uses less digits than its factorization.

115434331440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404334 (or 5404328 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 115434331440 its reverse (44133434511), we get a palindrome (159567765951).

The spelling of 115434331440 in words is "one hundred fifteen billion, four hundred thirty-four million, three hundred thirty-one thousand, four hundred forty".