404555215502452 has 24 divisors (see below), whose sum is σ = 809173206994880. Its totient is φ = 173367354646080.

The previous prime is 404555215502401. The next prime is 404555215502467. The reversal of 404555215502452 is 254205512555404.

It is a junction number, because it is equal to n+sod(n) for n = 404555215502396 and 404555215502405.

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, 560132574 + ... + 560854357.

Almost surely, 2^{404555215502452} is an apocalyptic number.

It is an amenable number.

404555215502452 is an abundant number, since it is smaller than the sum of its proper divisors (404617991492428).

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

404555215502452 is a wasteful number, since it uses less digits than its factorization.

404555215502452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120999831 (or 1120999829 counting only the distinct ones).

The product of its (nonzero) digits is 8000000, while the sum is 49.

The spelling of 404555215502452 in words is "four hundred four trillion, five hundred fifty-five billion, two hundred fifteen million, five hundred two thousand, four hundred fifty-two".