731140541442 has 24 divisors (see below), whose sum is σ = 1584194236716. Its totient is φ = 243704837376.

The previous prime is 731140541419. The next prime is 731140541497. The reversal of 731140541442 is 244145041137.

731140541442 is a `hidden beast` number, since 7 + 31 + 1 + 40 + 541 + 4 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 688901660001 + 42238881441 = 830001^2 + 205521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 731140541397 and 731140541406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192883 + ... + 1224534.

Almost surely, 2^731140541442 is an apocalyptic number.

731140541442 is an abundant number, since it is smaller than the sum of its proper divisors (853053695274).

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

731140541442 is a wasteful number, since it uses less digits than its factorization.

731140541442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446082 (or 1446079 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

Adding to 731140541442 its reverse (244145041137), we get a palindrome (975285582579).

The spelling of 731140541442 in words is "seven hundred thirty-one billion, one hundred forty million, five hundred forty-one thousand, four hundred forty-two".