420540413331034 has 4 divisors (see below), whose sum is σ = 630810619996554. Its totient is φ = 210270206665516.

The previous prime is 420540413330993. The next prime is 420540413331053. The reversal of 420540413331034 is 430133314045024.

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., 417575043230409 + 2965370100625 = 20434653^2 + 1722025^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420540413330984 and 420540413331002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105135103332757 + ... + 105135103332760.

Almost surely, 2^{420540413331034} is an apocalyptic number.

420540413331034 is a deficient number, since it is larger than the sum of its proper divisors (210270206665520).

420540413331034 is a wasteful number, since it uses less digits than its factorization.

420540413331034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210270206665519.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 420540413331034 its reverse (430133314045024), we get a palindrome (850673727376058).

The spelling of 420540413331034 in words is "four hundred twenty trillion, five hundred forty billion, four hundred thirteen million, three hundred thirty-one thousand, thirty-four".