404335165663452 has 48 divisors (see below), whose sum is σ = 948667529194112. Its totient is φ = 134032854392640.

The previous prime is 404335165663439. The next prime is 404335165663453. The reversal of 404335165663452 is 254366561533404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 404335165663392 and 404335165663401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404335165663453) 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, 373571403 + ... + 374652189.

Almost surely, 2^{404335165663452} is an apocalyptic number.

It is an amenable number.

404335165663452 is an abundant number, since it is smaller than the sum of its proper divisors (544332363530660).

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

404335165663452 is a wasteful number, since it uses less digits than its factorization.

404335165663452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253218 (or 1253216 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 57.

The spelling of 404335165663452 in words is "four hundred four trillion, three hundred thirty-five billion, one hundred sixty-five million, six hundred sixty-three thousand, four hundred fifty-two".