404521644032052 has 48 divisors (see below), whose sum is σ = 946656551101632. Its totient is φ = 134444973657600.

The previous prime is 404521644031969. The next prime is 404521644032063. The reversal of 404521644032052 is 250230446125404.

It is a junction number, because it is equal to n+sod(n) for n = 404521644031995 and 404521644032013.

It is a congruent 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, 26854699 + ... + 39118002.

It is an arithmetic number, because the mean of its divisors is an integer number (19722011481284).

Almost surely, 2^{404521644032052} is an apocalyptic number.

It is an amenable number.

404521644032052 is an abundant number, since it is smaller than the sum of its proper divisors (542134907069580).

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

404521644032052 is a wasteful number, since it uses less digits than its factorization.

404521644032052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65974208 (or 65974206 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 404521644032052 in words is "four hundred four trillion, five hundred twenty-one billion, six hundred forty-four million, thirty-two thousand, fifty-two".