42622260406042 has 4 divisors (see below), whose sum is σ = 63933390609066. Its totient is φ = 21311130203020.

The previous prime is 42622260405973. The next prime is 42622260406043. The reversal of 42622260406042 is 24060406222624.

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., 41659524627561 + 962735778481 = 6454419^2 + 981191^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42622260405986 and 42622260406004.

It is not an unprimeable number, because it can be changed into a prime (42622260406043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10655565101509 + ... + 10655565101512.

Almost surely, 2^{42622260406042} is an apocalyptic number.

42622260406042 is a deficient number, since it is larger than the sum of its proper divisors (21311130203024).

42622260406042 is a wasteful number, since it uses less digits than its factorization.

42622260406042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21311130203023.

The product of its (nonzero) digits is 442368, while the sum is 40.

Adding to 42622260406042 its reverse (24060406222624), we get a palindrome (66682666628666).

The spelling of 42622260406042 in words is "forty-two trillion, six hundred twenty-two billion, two hundred sixty million, four hundred six thousand, forty-two".