10440121430 has 16 divisors (see below), whose sum is σ = 19897643520. Its totient is φ = 3930398592.

The previous prime is 10440121411. The next prime is 10440121451. The reversal of 10440121430 is 3412104401.

It is a super-2 number, since 2×10440121430² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30706070 + ... + 30706409.

It is an arithmetic number, because the mean of its divisors is an integer number (1243602720).

Almost surely, 2^10440121430 is an apocalyptic number.

10440121430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10440121430 is a deficient number, since it is larger than the sum of its proper divisors (9457522090).

10440121430 is a wasteful number, since it uses less digits than its factorization.

10440121430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61412503.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10440121430 its reverse (3412104401), we get a palindrome (13852225831).

The spelling of 10440121430 in words is "ten billion, four hundred forty million, one hundred twenty-one thousand, four hundred thirty".