420353144344 has 16 divisors (see below), whose sum is σ = 900756738000. Its totient is φ = 180151347552.

The previous prime is 420353144297. The next prime is 420353144363. The reversal of 420353144344 is 443441353024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3753153019 + ... + 3753153130.

It is an arithmetic number, because the mean of its divisors is an integer number (56297296125).

Almost surely, 2^420353144344 is an apocalyptic number.

It is an amenable number.

420353144344 is an abundant number, since it is smaller than the sum of its proper divisors (480403593656).

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

420353144344 is a wasteful number, since it uses less digits than its factorization.

420353144344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506306162 (or 7506306158 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 420353144344 its reverse (443441353024), we get a palindrome (863794497368).

The spelling of 420353144344 in words is "four hundred twenty billion, three hundred fifty-three million, one hundred forty-four thousand, three hundred forty-four".