10142402320 has 40 divisors (see below), whose sum is σ = 23655532824. Its totient is φ = 4044152832.

The previous prime is 10142402269. The next prime is 10142402321. The reversal of 10142402320 is 2320424101.

It can be written as a sum of positive squares in 4 ways, for example, as 1106704 + 10141295616 = 1052^2 + 100704^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (10142402321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174609 + ... + 225328.

Almost surely, 2^10142402320 is an apocalyptic number.

10142402320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10142402320 is an abundant number, since it is smaller than the sum of its proper divisors (13513130504).

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

10142402320 is a wasteful number, since it uses less digits than its factorization.

10142402320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400267 (or 400261 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 10142402320 its reverse (2320424101), we get a palindrome (12462826421).

The spelling of 10142402320 in words is "ten billion, one hundred forty-two million, four hundred two thousand, three hundred twenty".