2042440220402 has 8 divisors (see below), whose sum is σ = 3063711484416. Its totient is φ = 1021203058932.

The previous prime is 2042440220383. The next prime is 2042440220407. The reversal of 2042440220402 is 2040220442402.

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 (2042440220407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8375378 + ... + 8615789.

It is an arithmetic number, because the mean of its divisors is an integer number (382963935552).

Almost surely, 2^{2042440220402} is an apocalyptic number.

2042440220402 is a deficient number, since it is larger than the sum of its proper divisors (1021271264014).

2042440220402 is a wasteful number, since it uses less digits than its factorization.

2042440220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17051272.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2042440220402 its reverse (2040220442402), we get a palindrome (4082660662804).

The spelling of 2042440220402 in words is "two trillion, forty-two billion, four hundred forty million, two hundred twenty thousand, four hundred two".