420300241040 has 80 divisors (see below), whose sum is σ = 1032403207680. Its totient is φ = 158869132800.

The previous prime is 420300241033. The next prime is 420300241117. The reversal of 420300241040 is 40142003024.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1818236 + ... + 2036315.

It is an arithmetic number, because the mean of its divisors is an integer number (12905040096).

Almost surely, 2^420300241040 is an apocalyptic number.

420300241040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420300241040 is an abundant number, since it is smaller than the sum of its proper divisors (612102966640).

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

420300241040 is a wasteful number, since it uses less digits than its factorization.

420300241040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854640 (or 3854634 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 420300241040 its reverse (40142003024), we get a palindrome (460442244064).

The spelling of 420300241040 in words is "four hundred twenty billion, three hundred million, two hundred forty-one thousand, forty".