404021423132 has 24 divisors (see below), whose sum is σ = 762402434640. Its totient is φ = 186710797440.

The previous prime is 404021423093. The next prime is 404021423147. The reversal of 404021423132 is 231324120404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64827023 + ... + 64833254.

It is an arithmetic number, because the mean of its divisors is an integer number (31766768110).

Almost surely, 2^404021423132 is an apocalyptic number.

It is an amenable number.

404021423132 is a deficient number, since it is larger than the sum of its proper divisors (358381011508).

404021423132 is a wasteful number, since it uses less digits than its factorization.

404021423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129660341 (or 129660339 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 404021423132 its reverse (231324120404), we get a palindrome (635345543536).

The spelling of 404021423132 in words is "four hundred four billion, twenty-one million, four hundred twenty-three thousand, one hundred thirty-two".