115545520240 has 40 divisors (see below), whose sum is σ = 270127585728. Its totient is φ = 45962853120.

The previous prime is 115545520231. The next prime is 115545520241. The reversal of 115545520240 is 42025545511.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 115545520196 and 115545520205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115545520241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3975352 + ... + 4004311.

Almost surely, 2^115545520240 is an apocalyptic number.

115545520240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115545520240 is an abundant number, since it is smaller than the sum of its proper divisors (154582065488).

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

115545520240 is a wasteful number, since it uses less digits than its factorization.

115545520240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979857 (or 7979851 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 115545520240 in words is "one hundred fifteen billion, five hundred forty-five million, five hundred twenty thousand, two hundred forty".