409901355 has 24 divisors (see below), whose sum is σ = 729701232. Its totient is φ = 212704704.

The previous prime is 409901353. The next prime is 409901363. The reversal of 409901355 is 553109904.

It is not a de Polignac number, because 409901355 - 2¹ = 409901353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409901353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121429 + ... + 124758.

It is an arithmetic number, because the mean of its divisors is an integer number (30404218).

Almost surely, 2^409901355 is an apocalyptic number.

409901355 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

409901355 is a deficient number, since it is larger than the sum of its proper divisors (319799877).

409901355 is a wasteful number, since it uses less digits than its factorization.

409901355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246235 (or 246232 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 409901355 is about 20246.0207201316. The cubic root of 409901355 is about 742.8362997199.

The spelling of 409901355 in words is "four hundred nine million, nine hundred one thousand, three hundred fifty-five".