115477842040 has 128 divisors (see below), whose sum is σ = 303422112000. Its totient is φ = 39107404800.

The previous prime is 115477842023. The next prime is 115477842091. The reversal of 115477842040 is 40248774511.

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, 376180 + ... + 610300.

It is an arithmetic number, because the mean of its divisors is an integer number (2370485250).

Almost surely, 2^115477842040 is an apocalyptic number.

115477842040 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 115477842040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151711056000).

115477842040 is an abundant number, since it is smaller than the sum of its proper divisors (187944269960).

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

115477842040 is a wasteful number, since it uses less digits than its factorization.

115477842040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234221 (or 234217 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

It can be divided in two parts, 11547 and 7842040, that added together give a palindrome (7853587).

The spelling of 115477842040 in words is "one hundred fifteen billion, four hundred seventy-seven million, eight hundred forty-two thousand, forty".