402433042424420 has 48 divisors (see below), whose sum is σ = 968387690605440. Its totient is φ = 137612987576064.

The previous prime is 402433042424393. The next prime is 402433042424531. The reversal of 402433042424420 is 24424240334204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3792191969 + ... + 3792298088.

It is an arithmetic number, because the mean of its divisors is an integer number (20174743554280).

Almost surely, 2^{402433042424420} is an apocalyptic number.

It is an amenable number.

402433042424420 is an abundant number, since it is smaller than the sum of its proper divisors (565954648181020).

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

402433042424420 is a wasteful number, since it uses less digits than its factorization.

402433042424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584490452 (or 7584490450 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 38.

Adding to 402433042424420 its reverse (24424240334204), we get a palindrome (426857282758624).

The spelling of 402433042424420 in words is "four hundred two trillion, four hundred thirty-three billion, forty-two million, four hundred twenty-four thousand, four hundred twenty".