409538480770 has 8 divisors (see below), whose sum is σ = 737169265404. Its totient is φ = 163815392304.

The previous prime is 409538480713. The next prime is 409538480783. The reversal of 409538480770 is 77084835904.

It can be written as a sum of positive squares in 2 ways, for example, as 390323808081 + 19214672689 = 624759^2 + 138617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 20476924029 + ... + 20476924048.

Almost surely, 2^409538480770 is an apocalyptic number.

409538480770 is a deficient number, since it is larger than the sum of its proper divisors (327630784634).

409538480770 is a wasteful number, since it uses less digits than its factorization.

409538480770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40953848084.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 409538480770 in words is "four hundred nine billion, five hundred thirty-eight million, four hundred eighty thousand, seven hundred seventy".