420142042320 has 320 divisors, whose sum is σ = 1748732073984. Its totient is φ = 80586639360.

The previous prime is 420142042303. The next prime is 420142042351. The reversal of 420142042320 is 23240241024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 634182 + ... + 1114661.

Almost surely, 2^420142042320 is an apocalyptic number.

420142042320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420142042320 is an abundant number, since it is smaller than the sum of its proper divisors (1328590031664).

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

420142042320 is a wasteful number, since it uses less digits than its factorization.

420142042320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748890 (or 1748884 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 420142042320 its reverse (23240241024), we get a palindrome (443382283344).

The spelling of 420142042320 in words is "four hundred twenty billion, one hundred forty-two million, forty-two thousand, three hundred twenty".