404230102421 has 16 divisors (see below), whose sum is σ = 419178922560. Its totient is φ = 389349233280.

The previous prime is 404230102391. The next prime is 404230102447. The reversal of 404230102421 is 124201032404.

It is a cyclic number.

It is not a de Polignac number, because 404230102421 - 2²² = 404225908117 is a prime.

It is a super-2 number, since 2×404230102421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404230102721) 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, 68244566 + ... + 68250488.

It is an arithmetic number, because the mean of its divisors is an integer number (26198682660).

Almost surely, 2^404230102421 is an apocalyptic number.

It is an amenable number.

404230102421 is a deficient number, since it is larger than the sum of its proper divisors (14948820139).

404230102421 is a wasteful number, since it uses less digits than its factorization.

404230102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11236.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 404230102421 its reverse (124201032404), we get a palindrome (528431134825).

The spelling of 404230102421 in words is "four hundred four billion, two hundred thirty million, one hundred two thousand, four hundred twenty-one".