420042426044 has 24 divisors (see below), whose sum is σ = 736031993088. Its totient is φ = 209747669040.

The previous prime is 420042426019. The next prime is 420042426053. The reversal of 420042426044 is 440624240024.

It is a self number, because there is not a number n which added to its sum of digits gives 420042426044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25073279 + ... + 25090025.

It is an arithmetic number, because the mean of its divisors is an integer number (30667999712).

Almost surely, 2^420042426044 is an apocalyptic number.

It is an amenable number.

420042426044 is a deficient number, since it is larger than the sum of its proper divisors (315989567044).

420042426044 is a wasteful number, since it uses less digits than its factorization.

420042426044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24545 (or 24543 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 420042426044 its reverse (440624240024), we get a palindrome (860666666068).

The spelling of 420042426044 in words is "four hundred twenty billion, forty-two million, four hundred twenty-six thousand, forty-four".