115567406040 has 128 divisors (see below), whose sum is σ = 363753861120. Its totient is φ = 29334873600.

The previous prime is 115567406039. The next prime is 115567406069. The reversal of 115567406040 is 40604765511.

It is a self number, because there is not a number n which added to its sum of digits gives 115567406040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27724 + ... + 481563.

It is an arithmetic number, because the mean of its divisors is an integer number (2841827040).

Almost surely, 2^115567406040 is an apocalyptic number.

115567406040 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 115567406040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181876930560).

115567406040 is an abundant number, since it is smaller than the sum of its proper divisors (248186455080).

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

115567406040 is a wasteful number, since it uses less digits than its factorization.

115567406040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509393 (or 509389 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 115567406040 in words is "one hundred fifteen billion, five hundred sixty-seven million, four hundred six thousand, forty".