420611634142 has 32 divisors (see below), whose sum is σ = 752455194624. Its totient is φ = 172411641600.

The previous prime is 420611634109. The next prime is 420611634143. The reversal of 420611634142 is 241436116024.

It is a junction number, because it is equal to n+sod(n) for n = 420611634098 and 420611634107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420611634143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5043342 + ... + 5126062.

It is an arithmetic number, because the mean of its divisors is an integer number (23514224832).

Almost surely, 2^420611634142 is an apocalyptic number.

420611634142 is a deficient number, since it is larger than the sum of its proper divisors (331843560482).

420611634142 is a wasteful number, since it uses less digits than its factorization.

420611634142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98544.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 420611634142 in words is "four hundred twenty billion, six hundred eleven million, six hundred thirty-four thousand, one hundred forty-two".