420113240525344 has 12 divisors (see below), whose sum is σ = 827097942284334. Its totient is φ = 210056620262656.

The previous prime is 420113240525261. The next prime is 420113240525387. The reversal of 420113240525344 is 443525042311024.

It can be written as a sum of positive squares in only one way, i.e., 389644386105744 + 30468854419600 = 19739412^2 + 5519860^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420113240525297 and 420113240525306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6564269383177 + ... + 6564269383240.

Almost surely, 2^{420113240525344} is an apocalyptic number.

It is an amenable number.

420113240525344 is a deficient number, since it is larger than the sum of its proper divisors (406984701758990).

420113240525344 is a wasteful number, since it uses less digits than its factorization.

420113240525344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13128538766427 (or 13128538766419 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 420113240525344 its reverse (443525042311024), we get a palindrome (863638282836368).

The spelling of 420113240525344 in words is "four hundred twenty trillion, one hundred thirteen billion, two hundred forty million, five hundred twenty-five thousand, three hundred forty-four".