440130101525 has 24 divisors (see below), whose sum is σ = 559422569664. Its totient is φ = 343301129600.

The previous prime is 440130101449. The next prime is 440130101527. The reversal of 440130101525 is 525101031044.

It is a de Polignac number, because none of the positive numbers 2^k-440130101525 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440130101494 and 440130101503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440130101527) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1513574 + ... + 1780776.

It is an arithmetic number, because the mean of its divisors is an integer number (23309273736).

Almost surely, 2^440130101525 is an apocalyptic number.

It is an amenable number.

440130101525 is a deficient number, since it is larger than the sum of its proper divisors (119292468139).

440130101525 is a wasteful number, since it uses less digits than its factorization.

440130101525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268861 (or 268856 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 440130101525 its reverse (525101031044), we get a palindrome (965231132569).

The spelling of 440130101525 in words is "four hundred forty billion, one hundred thirty million, one hundred one thousand, five hundred twenty-five".