409235070 has 16 divisors (see below), whose sum is σ = 982164240. Its totient is φ = 109129344.

The previous prime is 409234993. The next prime is 409235093. The reversal of 409235070 is 70532904.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 13641169 = 409235070 / (4 + 0 + 9 + 2 + 3 + 5 + 0 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6820555 + ... + 6820614.

It is an arithmetic number, because the mean of its divisors is an integer number (61385265).

Almost surely, 2^409235070 is an apocalyptic number.

409235070 is an abundant number, since it is smaller than the sum of its proper divisors (572929170).

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

409235070 is a wasteful number, since it uses less digits than its factorization.

409235070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13641179.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 409235070 is about 20229.5593130449. The cubic root of 409235070 is about 742.4335938071.

Adding to 409235070 its reverse (70532904), we get a palindrome (479767974).

The spelling of 409235070 in words is "four hundred nine million, two hundred thirty-five thousand, seventy".