10209394042 has 16 divisors (see below), whose sum is σ = 15435262080. Its totient is φ = 5064359328.

The previous prime is 10209394033. The next prime is 10209394057. The reversal of 10209394042 is 24049390201.

It is a junction number, because it is equal to n+sod(n) for n = 10209393989 and 10209394007.

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, 401038 + ... + 425734.

It is an arithmetic number, because the mean of its divisors is an integer number (964703880).

Almost surely, 2^10209394042 is an apocalyptic number.

10209394042 is a deficient number, since it is larger than the sum of its proper divisors (5225868038).

10209394042 is a wasteful number, since it uses less digits than its factorization.

10209394042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26325.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 10209394042 in words is "ten billion, two hundred nine million, three hundred ninety-four thousand, forty-two".