130252044540 has 48 divisors (see below), whose sum is σ = 364772102688. Its totient is φ = 34727556864.

The previous prime is 130252044523. The next prime is 130252044547. The reversal of 130252044540 is 45440252031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 130252044498 and 130252044507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130252044547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139614 + ... + 529146.

It is an arithmetic number, because the mean of its divisors is an integer number (7599418806).

Almost surely, 2^130252044540 is an apocalyptic number.

130252044540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130252044540 is an abundant number, since it is smaller than the sum of its proper divisors (234520058148).

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

130252044540 is a wasteful number, since it uses less digits than its factorization.

130252044540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395118 (or 395116 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 130252044540 its reverse (45440252031), we get a palindrome (175692296571).

The spelling of 130252044540 in words is "one hundred thirty billion, two hundred fifty-two million, forty-four thousand, five hundred forty".