420040034444 has 24 divisors (see below), whose sum is σ = 751032097536. Its totient is φ = 205495488000.

The previous prime is 420040034443. The next prime is 420040034459. The reversal of 420040034444 is 444430040024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (420040034443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4459877 + ... + 4553084.

It is an arithmetic number, because the mean of its divisors is an integer number (31293004064).

Almost surely, 2^420040034444 is an apocalyptic number.

It is an amenable number.

420040034444 is a deficient number, since it is larger than the sum of its proper divisors (330992063092).

420040034444 is a wasteful number, since it uses less digits than its factorization.

420040034444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013217 (or 9013215 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 420040034444 its reverse (444430040024), we get a palindrome (864470074468).

The spelling of 420040034444 in words is "four hundred twenty billion, forty million, thirty-four thousand, four hundred forty-four".