420024402040 has 16 divisors (see below), whose sum is σ = 945054904680. Its totient is φ = 168009760800.

The previous prime is 420024402037. The next prime is 420024402047. The reversal of 420024402040 is 40204420024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420024402047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5250304986 + ... + 5250305065.

Almost surely, 2^420024402040 is an apocalyptic number.

420024402040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420024402040 is an abundant number, since it is smaller than the sum of its proper divisors (525030502640).

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

420024402040 is a wasteful number, since it uses less digits than its factorization.

420024402040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500610062 (or 10500610058 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 420024402040 its reverse (40204420024), we get a palindrome (460228822064).

The spelling of 420024402040 in words is "four hundred twenty billion, twenty-four million, four hundred two thousand, forty".