420413123240042 has 32 divisors (see below), whose sum is σ = 673731749582400. Its totient is φ = 196166714882688.

The previous prime is 420413123240009. The next prime is 420413123240057. The reversal of 420413123240042 is 240042321314024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 420413123239990 and 420413123240008.

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, 123154184 + ... + 126521852.

It is an arithmetic number, because the mean of its divisors is an integer number (21054117174450).

Almost surely, 2^{420413123240042} is an apocalyptic number.

420413123240042 is a deficient number, since it is larger than the sum of its proper divisors (253318626342358).

420413123240042 is a wasteful number, since it uses less digits than its factorization.

420413123240042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416790.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 420413123240042 its reverse (240042321314024), we get a palindrome (660455444554066).

The spelling of 420413123240042 in words is "four hundred twenty trillion, four hundred thirteen billion, one hundred twenty-three million, two hundred forty thousand, forty-two".