115400303424 has 392 divisors, whose sum is σ = 394356498560. Its totient is φ = 32806259712.

The previous prime is 115400303419. The next prime is 115400303479. The reversal of 115400303424 is 424303004511.

It is a happy number.

It is a super-2 number, since 2×115400303424² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 74788797 + ... + 74790339.

Almost surely, 2^115400303424 is an apocalyptic number.

115400303424 is a gapful number since it is divisible by the number (14) 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 115400303424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197178249280).

115400303424 is an abundant number, since it is smaller than the sum of its proper divisors (278956195136).

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

115400303424 is an equidigital number, since it uses as much as digits as its factorization.

115400303424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1784 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 115400303424 its reverse (424303004511), we get a palindrome (539703307935).

The spelling of 115400303424 in words is "one hundred fifteen billion, four hundred million, three hundred three thousand, four hundred twenty-four".