405463712652 has 36 divisors (see below), whose sum is σ = 1024941479016. Its totient is φ = 135152023680.

The previous prime is 405463712579. The next prime is 405463712663. The reversal of 405463712652 is 256217364504.

405463712652 is a `hidden beast` number, since 4 + 0 + 5 + 4 + 637 + 1 + 2 + 6 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 405463712598 and 405463712607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3722388 + ... + 3829764.

Almost surely, 2^405463712652 is an apocalyptic number.

It is an amenable number.

405463712652 is an abundant number, since it is smaller than the sum of its proper divisors (619477766364).

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

405463712652 is a wasteful number, since it uses less digits than its factorization.

405463712652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212278 (or 212273 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 405463712652 in words is "four hundred five billion, four hundred sixty-three million, seven hundred twelve thousand, six hundred fifty-two".