409468148 has 12 divisors (see below), whose sum is σ = 734046852. Its totient is φ = 199740480.

The previous prime is 409468127. The next prime is 409468151. The reversal of 409468148 is 841864904.

It can be written as a sum of positive squares in 2 ways, for example, as 8988004 + 400480144 = 2998^2 + 20012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 409468099 and 409468108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248215 + ... + 1248542.

It is an arithmetic number, because the mean of its divisors is an integer number (61170571).

Almost surely, 2^409468148 is an apocalyptic number.

It is an amenable number.

409468148 is a deficient number, since it is larger than the sum of its proper divisors (324578704).

409468148 is a wasteful number, since it uses less digits than its factorization.

409468148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496802 (or 2496800 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 409468148 is about 20235.3193204357. The cubic root of 409468148 is about 742.5745169651.

It can be divided in two parts, 40946 and 8148, that added together give a palindrome (49094).

The spelling of 409468148 in words is "four hundred nine million, four hundred sixty-eight thousand, one hundred forty-eight".