300400232040 has 80 divisors (see below), whose sum is σ = 1009678568580. Its totient is φ = 80106727680.

The previous prime is 300400231997. The next prime is 300400232047. The reversal of 300400232040 is 40232004003.

300400232040 is a `hidden beast` number, since 30 + 0 + 400 + 232 + 0 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 299841666084 + 558565956 = 547578^2 + 23634^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (300400232047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46354821 + ... + 46361300.

Almost surely, 2^300400232040 is an apocalyptic number.

300400232040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300400232040 is an abundant number, since it is smaller than the sum of its proper divisors (709278336540).

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

300400232040 is a wasteful number, since it uses less digits than its factorization.

300400232040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92716144 (or 92716131 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 300400232040 its reverse (40232004003), we get a palindrome (340632236043).

The spelling of 300400232040 in words is "three hundred billion, four hundred million, two hundred thirty-two thousand, forty".