420462656916 has 24 divisors (see below), whose sum is σ = 981177560160. Its totient is φ = 140140215072.

The previous prime is 420462656893. The next prime is 420462656923. The reversal of 420462656916 is 619656264024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625026 + ... + 1865913.

It is an arithmetic number, because the mean of its divisors is an integer number (40882398340).

Almost surely, 2^420462656916 is an apocalyptic number.

It is an amenable number.

420462656916 is an abundant number, since it is smaller than the sum of its proper divisors (560714903244).

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

420462656916 is a wasteful number, since it uses less digits than its factorization.

420462656916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500983 (or 3500981 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

It can be divided in two parts, 42046 and 2656916, that added together give a palindrome (2698962).

The spelling of 420462656916 in words is "four hundred twenty billion, four hundred sixty-two million, six hundred fifty-six thousand, nine hundred sixteen".