431224520001642 has 12 divisors (see below), whose sum is σ = 934319793336930. Its totient is φ = 143741506667208.

The previous prime is 431224520001623. The next prime is 431224520001659. The reversal of 431224520001642 is 246100025422134.

431224520001642 is a `hidden beast` number, since 4 + 3 + 1 + 2 + 2 + 4 + 5 + 2 + 0 + 0 + 0 + 1 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 290288707455321 + 140935812546321 = 17037861^2 + 11871639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 431224520001597 and 431224520001606.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11978458888917 + ... + 11978458888952.

Almost surely, 2^{431224520001642} is an apocalyptic number.

431224520001642 is an abundant number, since it is smaller than the sum of its proper divisors (503095273335288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431224520001642 is a wasteful number, since it uses less digits than its factorization.

431224520001642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23956917777877 (or 23956917777874 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 431224520001642 its reverse (246100025422134), we get a palindrome (677324545423776).

The spelling of 431224520001642 in words is "four hundred thirty-one trillion, two hundred twenty-four billion, five hundred twenty million, one thousand, six hundred forty-two".