2042434010402 has 4 divisors (see below), whose sum is σ = 3063651015606. Its totient is φ = 1021217005200.

The previous prime is 2042434010389. The next prime is 2042434010417. The reversal of 2042434010402 is 2040104342402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1645419342121 + 397014668281 = 1282739^2 + 630091^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510608502599 + ... + 510608502602.

Almost surely, 2^{2042434010402} is an apocalyptic number.

2042434010402 is a deficient number, since it is larger than the sum of its proper divisors (1021217005204).

2042434010402 is a wasteful number, since it uses less digits than its factorization.

2042434010402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021217005203.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 2042434010402 its reverse (2040104342402), we get a palindrome (4082538352804).

The spelling of 2042434010402 in words is "two trillion, forty-two billion, four hundred thirty-four million, ten thousand, four hundred two".