420653416340 has 48 divisors (see below), whose sum is σ = 889335427008. Its totient is φ = 167128233984.

The previous prime is 420653416321. The next prime is 420653416363. The reversal of 420653416340 is 43614356024.

It is a junction number, because it is equal to n+sod(n) for n = 420653416294 and 420653416303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2397239 + ... + 2566721.

It is an arithmetic number, because the mean of its divisors is an integer number (18527821396).

Almost surely, 2^420653416340 is an apocalyptic number.

It is an amenable number.

420653416340 is an abundant number, since it is smaller than the sum of its proper divisors (468682010668).

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

420653416340 is a wasteful number, since it uses less digits than its factorization.

420653416340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170328 (or 170326 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 420653416340 in words is "four hundred twenty billion, six hundred fifty-three million, four hundred sixteen thousand, three hundred forty".