131480242440 has 128 divisors (see below), whose sum is σ = 433253145600. Its totient is φ = 31771872000.

The previous prime is 131480242429. The next prime is 131480242441. The reversal of 131480242440 is 44242084131.

It is not an unprimeable number, because it can be changed into a prime (131480242441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1201186 + ... + 1306065.

It is an arithmetic number, because the mean of its divisors is an integer number (3384790200).

Almost surely, 2^131480242440 is an apocalyptic number.

131480242440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131480242440 is an abundant number, since it is smaller than the sum of its proper divisors (301772903160).

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

131480242440 is a wasteful number, since it uses less digits than its factorization.

131480242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507307 (or 2507303 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The spelling of 131480242440 in words is "one hundred thirty-one billion, four hundred eighty million, two hundred forty-two thousand, four hundred forty".