10402012042 has 8 divisors (see below), whose sum is σ = 16424229600. Its totient is φ = 4927268844.

The previous prime is 10402012031. The next prime is 10402012043. The reversal of 10402012042 is 24021020401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10402012043) 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 3 ways as a sum of consecutive naturals, for example, 136868542 + ... + 136868617.

It is an arithmetic number, because the mean of its divisors is an integer number (2053028700).

Almost surely, 2^10402012042 is an apocalyptic number.

10402012042 is a deficient number, since it is larger than the sum of its proper divisors (6022217558).

10402012042 is a wasteful number, since it uses less digits than its factorization.

10402012042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273737180.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10402012042 its reverse (24021020401), we get a palindrome (34423032443).

The spelling of 10402012042 in words is "ten billion, four hundred two million, twelve thousand, forty-two".