102403130444 has 48 divisors (see below), whose sum is σ = 182783817216. Its totient is φ = 50187508800.

The previous prime is 102403130429. The next prime is 102403130513. The reversal of 102403130444 is 444031304201.

It is a super-2 number, since 2×102403130444² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54730829 + ... + 54732699.

It is an arithmetic number, because the mean of its divisors is an integer number (3807996192).

Almost surely, 2^102403130444 is an apocalyptic number.

It is an amenable number.

102403130444 is a deficient number, since it is larger than the sum of its proper divisors (80380686772).

102403130444 is a wasteful number, since it uses less digits than its factorization.

102403130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2844 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 102403130444 its reverse (444031304201), we get a palindrome (546434434645).

The spelling of 102403130444 in words is "one hundred two billion, four hundred three million, one hundred thirty thousand, four hundred forty-four".