420202402044 has 48 divisors (see below), whose sum is σ = 990120316416. Its totient is φ = 138693859200.

The previous prime is 420202402021. The next prime is 420202402091. The reversal of 420202402044 is 440204202024.

It is a congruent number.

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, 425949 + ... + 1010859.

It is an arithmetic number, because the mean of its divisors is an integer number (20627506592).

Almost surely, 2^420202402044 is an apocalyptic number.

It is an amenable number.

420202402044 is an abundant number, since it is smaller than the sum of its proper divisors (569917914372).

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

420202402044 is a wasteful number, since it uses less digits than its factorization.

420202402044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585506 (or 585504 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 420202402044 its reverse (440204202024), we get a palindrome (860406604068).

The spelling of 420202402044 in words is "four hundred twenty billion, two hundred two million, four hundred two thousand, forty-four".