402030424033421 has 16 divisors (see below), whose sum is σ = 441731519126400. Its totient is φ = 364194141651648.

The previous prime is 402030424033411. The next prime is 402030424033463. The reversal of 402030424033421 is 124330424030204.

It is a cyclic number.

It is not a de Polignac number, because 402030424033421 - 2¹⁰ = 402030424032397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402030424033411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146595386 + ... + 149312651.

It is an arithmetic number, because the mean of its divisors is an integer number (27608219945400).

Almost surely, 2^{402030424033421} is an apocalyptic number.

It is an amenable number.

402030424033421 is a deficient number, since it is larger than the sum of its proper divisors (39701095092979).

402030424033421 is a wasteful number, since it uses less digits than its factorization.

402030424033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295911188.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 402030424033421 its reverse (124330424030204), we get a palindrome (526360848063625).

The spelling of 402030424033421 in words is "four hundred two trillion, thirty billion, four hundred twenty-four million, thirty-three thousand, four hundred twenty-one".