420662504000000 has 280 divisors, whose sum is σ = 1065414648142944. Its totient is φ = 165894848000000.

The previous prime is 420662503999961. The next prime is 420662504000009. The reversal of 420662504000000 is 405266024.

It is not an unprimeable number, because it can be changed into a prime (420662504000009) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 567629699 + ... + 568370301.

Almost surely, 2^{420662504000000} is an apocalyptic number.

420662504000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420662504000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532707324071472).

420662504000000 is an abundant number, since it is smaller than the sum of its proper divisors (644752144142944).

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

420662504000000 is an frugal number, since it uses more digits than its factorization.

420662504000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740722 (or 740681 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 420662504000000 its reverse (405266024), we get a palindrome (420662909266024).

The spelling of 420662504000000 in words is "four hundred twenty trillion, six hundred sixty-two billion, five hundred four million", and thus it is an aban number.