12440202330 has 16 divisors (see below), whose sum is σ = 29856485664. Its totient is φ = 3317387280.

The previous prime is 12440202293. The next prime is 12440202343. The reversal of 12440202330 is 3320204421.

It is a super-2 number, since 2×12440202330² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12440202297 and 12440202306.

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, 207336676 + ... + 207336735.

It is an arithmetic number, because the mean of its divisors is an integer number (1866030354).

Almost surely, 2^12440202330 is an apocalyptic number.

12440202330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12440202330 is an abundant number, since it is smaller than the sum of its proper divisors (17416283334).

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

12440202330 is a wasteful number, since it uses less digits than its factorization.

12440202330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414673421.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12440202330 its reverse (3320204421), we get a palindrome (15760406751).

The spelling of 12440202330 in words is "twelve billion, four hundred forty million, two hundred two thousand, three hundred thirty".