100440325 has 12 divisors (see below), whose sum is σ = 124679520. Its totient is φ = 80266160.

The previous prime is 100440323. The next prime is 100440337. The reversal of 100440325 is 523044001.

It is not a de Polignac number, because 100440325 - 2¹ = 100440323 is a prime.

It is a super-2 number, since 2×100440325² = 20176517772211250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100440323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32706 + ... + 35644.

It is an arithmetic number, because the mean of its divisors is an integer number (10389960).

Almost surely, 2^100440325 is an apocalyptic number.

It is an amenable number.

100440325 is a deficient number, since it is larger than the sum of its proper divisors (24239195).

100440325 is a wasteful number, since it uses less digits than its factorization.

100440325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4316 (or 4311 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 100440325 is about 10021.9920674485. The cubic root of 100440325 is about 464.8391550684.

Adding to 100440325 its reverse (523044001), we get a palindrome (623484326).

The spelling of 100440325 in words is "one hundred million, four hundred forty thousand, three hundred twenty-five".