10321540042 has 16 divisors (see below), whose sum is σ = 17018727264. Its totient is φ = 4655794000.

The previous prime is 10321540003. The next prime is 10321540049. The reversal of 10321540042 is 24004512301.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 10321539995 and 10321540022.

It is not an unprimeable number, because it can be changed into a prime (10321540049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1787809 + ... + 1793572.

It is an arithmetic number, because the mean of its divisors is an integer number (1063670454).

Almost surely, 2^10321540042 is an apocalyptic number.

10321540042 is a deficient number, since it is larger than the sum of its proper divisors (6697187222).

10321540042 is a wasteful number, since it uses less digits than its factorization.

10321540042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581525.

The product of its (nonzero) digits is 960, while the sum is 22.

The spelling of 10321540042 in words is "ten billion, three hundred twenty-one million, five hundred forty thousand, forty-two".