2042402242045 has 16 divisors (see below), whose sum is σ = 2673755536320. Its totient is φ = 1485347155200.

The previous prime is 2042402242039. The next prime is 2042402242057. The reversal of 2042402242045 is 5402422042402.

It is a happy number.

It is not a de Polignac number, because 2042402242045 - 2²¹ = 2042400144893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2042402241998 and 2042402242016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930666 + ... + 2795044.

It is an arithmetic number, because the mean of its divisors is an integer number (167109721020).

Almost surely, 2^{2042402242045} is an apocalyptic number.

It is an amenable number.

2042402242045 is a deficient number, since it is larger than the sum of its proper divisors (631353294275).

2042402242045 is a wasteful number, since it uses less digits than its factorization.

2042402242045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907356.

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 2042402242045 its reverse (5402422042402), we get a palindrome (7444824284447).

The spelling of 2042402242045 in words is "two trillion, forty-two billion, four hundred two million, two hundred forty-two thousand, forty-five".