130440465642 has 16 divisors (see below), whose sum is σ = 261007413120. Its totient is φ = 43459074912.

The previous prime is 130440465641. The next prime is 130440465689. The reversal of 130440465642 is 246564044031.

It is a self number, because there is not a number n which added to its sum of digits gives 130440465642.

It is not an unprimeable number, because it can be changed into a prime (130440465641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5256667 + ... + 5281422.

It is an arithmetic number, because the mean of its divisors is an integer number (16312963320).

Almost surely, 2^130440465642 is an apocalyptic number.

130440465642 is an abundant number, since it is smaller than the sum of its proper divisors (130566947478).

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

130440465642 is a wasteful number, since it uses less digits than its factorization.

130440465642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540157.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 130440465642 in words is "one hundred thirty billion, four hundred forty million, four hundred sixty-five thousand, six hundred forty-two".