115402243552240 has 20 divisors (see below), whose sum is σ = 268310216259144. Its totient is φ = 46160897420864.

The previous prime is 115402243552223. The next prime is 115402243552247. The reversal of 115402243552240 is 42255342204511.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 115402243552193 and 115402243552202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115402243552247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721264022122 + ... + 721264022281.

Almost surely, 2^{115402243552240} is an apocalyptic number.

115402243552240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115402243552240 is an abundant number, since it is smaller than the sum of its proper divisors (152907972706904).

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

115402243552240 is a wasteful number, since it uses less digits than its factorization.

115402243552240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442528044416 (or 1442528044410 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 115402243552240 its reverse (42255342204511), we get a palindrome (157657585756751).

The spelling of 115402243552240 in words is "one hundred fifteen trillion, four hundred two billion, two hundred forty-three million, five hundred fifty-two thousand, two hundred forty".