2102402433042 has 48 divisors (see below), whose sum is σ = 4596328481472. Its totient is φ = 694499525280.

The previous prime is 2102402433041. The next prime is 2102402433049. The reversal of 2102402433042 is 2403342042012.

2102402433042 is a `hidden beast` number, since 210 + 2 + 402 + 4 + 3 + 3 + 0 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2102402432997 and 2102402433015.

It is not an unprimeable number, because it can be changed into a prime (2102402433041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61513 + ... + 2051484.

It is an arithmetic number, because the mean of its divisors is an integer number (95756843364).

Almost surely, 2^{2102402433042} is an apocalyptic number.

2102402433042 is an abundant number, since it is smaller than the sum of its proper divisors (2493926048430).

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

2102402433042 is a wasteful number, since it uses less digits than its factorization.

2102402433042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113503 (or 2113500 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2102402433042 its reverse (2403342042012), we get a palindrome (4505744475054).

The spelling of 2102402433042 in words is "two trillion, one hundred two billion, four hundred two million, four hundred thirty-three thousand, forty-two".