420539491008 has 1400 divisors, whose sum is σ = 1648717807968. Its totient is φ = 105150431232.

The previous prime is 420539491003. The next prime is 420539491027. The reversal of 420539491008 is 800194935024.

420539491008 is a `hidden beast` number, since 4 + 2 + 0 + 539 + 4 + 9 + 100 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420539491003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 3721588360 + ... + 3721588472.

Almost surely, 2^420539491008 is an apocalyptic number.

420539491008 is a gapful number since it is divisible by the number (48) 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 420539491008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824358903984).

420539491008 is an abundant number, since it is smaller than the sum of its proper divisors (1228178316960).

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

420539491008 is a wasteful number, since it uses less digits than its factorization.

420539491008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 420539491008 in words is "four hundred twenty billion, five hundred thirty-nine million, four hundred ninety-one thousand, eight".