130440024431240 has 32 divisors (see below), whose sum is σ = 293511672901080. Its totient is φ = 52172166584832.

The previous prime is 130440024431237. The next prime is 130440024431243. The reversal of 130440024431240 is 42134420044031.

It is an interprime number because it is at equal distance from previous prime (130440024431237) and next prime (130440024431243).

It can be written as a sum of positive squares in 4 ways, for example, as 128737933683076 + 1702090748164 = 11346274^2 + 1304642^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130440024431197 and 130440024431206.

It is not an unprimeable number, because it can be changed into a prime (130440024431243) 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, 119549747 + ... + 120635906.

Almost surely, 2^{130440024431240} is an apocalyptic number.

130440024431240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130440024431240 is an abundant number, since it is smaller than the sum of its proper divisors (163071648469840).

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

130440024431240 is a wasteful number, since it uses less digits than its factorization.

130440024431240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240199241 (or 240199237 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 130440024431240 its reverse (42134420044031), we get a palindrome (172574444475271).

The spelling of 130440024431240 in words is "one hundred thirty trillion, four hundred forty billion, twenty-four million, four hundred thirty-one thousand, two hundred forty".