409850000028 has 36 divisors (see below), whose sum is σ = 1184011111920. Its totient is φ = 117099999936.

The previous prime is 409850000011. The next prime is 409850000047. The reversal of 409850000028 is 820000058904.

409850000028 is a `hidden beast` number, since 40 + 98 + 500 + 0 + 0 + 0 + 28 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 409849999947 and 409850000001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 813194193 + ... + 813194696.

Almost surely, 2^409850000028 is an apocalyptic number.

It is an amenable number.

409850000028 is an abundant number, since it is smaller than the sum of its proper divisors (774161111892).

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

409850000028 is a wasteful number, since it uses less digits than its factorization.

409850000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626388906 (or 1626388901 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 409850000028 in words is "four hundred nine billion, eight hundred fifty million, twenty-eight", and thus it is an aban number.