10402115142 has 24 divisors (see below), whose sum is σ = 22099999176. Its totient is φ = 3263408128.

The previous prime is 10402115089. The next prime is 10402115147. The reversal of 10402115142 is 24151120401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402115147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2997723 + ... + 3001190.

It is an arithmetic number, because the mean of its divisors is an integer number (920833299).

Almost surely, 2^10402115142 is an apocalyptic number.

10402115142 is an abundant number, since it is smaller than the sum of its proper divisors (11697884034).

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

10402115142 is a wasteful number, since it uses less digits than its factorization.

10402115142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998952 (or 5998935 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 10402115142 its reverse (24151120401), we get a palindrome (34553235543).

The spelling of 10402115142 in words is "ten billion, four hundred two million, one hundred fifteen thousand, one hundred forty-two".