402301024044021 has 48 divisors (see below), whose sum is σ = 590477466249216. Its totient is φ = 263901526126368.

The previous prime is 402301024043951. The next prime is 402301024044037. The reversal of 402301024044021 is 120440420103204.

402301024044021 is a `hidden beast` number, since 4 + 0 + 2 + 3 + 0 + 10 + 240 + 4 + 402 + 1 = 666.

It is not a de Polignac number, because 402301024044021 - 2¹⁰ = 402301024042997 is a prime.

It is a super-2 number, since 2×402301024044021² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402301024044091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185228860 + ... + 187388186.

It is an arithmetic number, because the mean of its divisors is an integer number (12301613880192).

Almost surely, 2^{402301024044021} is an apocalyptic number.

It is an amenable number.

402301024044021 is a deficient number, since it is larger than the sum of its proper divisors (188176442205195).

402301024044021 is a wasteful number, since it uses less digits than its factorization.

402301024044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160422 (or 2160419 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 402301024044021 its reverse (120440420103204), we get a palindrome (522741444147225).

The spelling of 402301024044021 in words is "four hundred two trillion, three hundred one billion, twenty-four million, forty-four thousand, twenty-one".