409670655 has 32 divisors (see below), whose sum is σ = 674459136. Its totient is φ = 212244864.

The previous prime is 409670603. The next prime is 409670683. The reversal of 409670655 is 556076904.

It is a de Polignac number, because none of the positive numbers 2^k-409670655 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79384 + ... + 84386.

It is an arithmetic number, because the mean of its divisors is an integer number (21076848).

Almost surely, 2^409670655 is an apocalyptic number.

409670655 is a deficient number, since it is larger than the sum of its proper divisors (264788481).

409670655 is a wasteful number, since it uses less digits than its factorization.

409670655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 409670655 is about 20240.3225023713. The cubic root of 409670655 is about 742.6969129358.

The spelling of 409670655 in words is "four hundred nine million, six hundred seventy thousand, six hundred fifty-five".