404856102 has 32 divisors (see below), whose sum is σ = 938068992. Its totient is φ = 114087744.

The previous prime is 404856083. The next prime is 404856103. The reversal of 404856102 is 201658404.

It is a self number, because there is not a number n which added to its sum of digits gives 404856102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404856103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62958 + ... + 69089.

It is an arithmetic number, because the mean of its divisors is an integer number (29314656).

Almost surely, 2^404856102 is an apocalyptic number.

404856102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

404856102 is an abundant number, since it is smaller than the sum of its proper divisors (533212890).

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

404856102 is a wasteful number, since it uses less digits than its factorization.

404856102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132132.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 404856102 is about 20121.0363053199. The cubic root of 404856102 is about 739.7759864908.

The spelling of 404856102 in words is "four hundred four million, eight hundred fifty-six thousand, one hundred two".