420040204244 has 12 divisors (see below), whose sum is σ = 735075075924. Its totient is φ = 210018753984.

The previous prime is 420040204231. The next prime is 420040204277. The reversal of 420040204244 is 442402040024.

It can be written as a sum of positive squares in 2 ways, for example, as 92641096900 + 327399107344 = 304370^2 + 572188^2 .

It is a super-2 number, since 2×420040204244² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762734 + ... + 1192410.

It is an arithmetic number, because the mean of its divisors is an integer number (61256256327).

Almost surely, 2^420040204244 is an apocalyptic number.

It is an amenable number.

420040204244 is a deficient number, since it is larger than the sum of its proper divisors (315034871680).

420040204244 is a wasteful number, since it uses less digits than its factorization.

420040204244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674074 (or 674072 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 420040204244 its reverse (442402040024), we get a palindrome (862442244268).

The spelling of 420040204244 in words is "four hundred twenty billion, forty million, two hundred four thousand, two hundred forty-four".