10200423143440 has 20 divisors (see below), whose sum is σ = 23715983808684. Its totient is φ = 4080169257344.

The previous prime is 10200423143419. The next prime is 10200423143483. The reversal of 10200423143440 is 4434132400201.

It can be written as a sum of positive squares in 2 ways, for example, as 1760515000336 + 8439908143104 = 1326844^2 + 2905152^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 10200423143399 and 10200423143408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63752644567 + ... + 63752644726.

Almost surely, 2^{10200423143440} is an apocalyptic number.

10200423143440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200423143440 is an abundant number, since it is smaller than the sum of its proper divisors (13515560665244).

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

10200423143440 is a wasteful number, since it uses less digits than its factorization.

10200423143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127505289306 (or 127505289300 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 10200423143440 its reverse (4434132400201), we get a palindrome (14634555543641).

The spelling of 10200423143440 in words is "ten trillion, two hundred billion, four hundred twenty-three million, one hundred forty-three thousand, four hundred forty".