403109868 has 144 divisors (see below), whose sum is σ = 1171183104. Its totient is φ = 107331840.

The previous prime is 403109779. The next prime is 403109873. The reversal of 403109868 is 868901304.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 554121 + ... + 554847.

It is an arithmetic number, because the mean of its divisors is an integer number (8133216).

Almost surely, 2^403109868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403109868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585591552).

403109868 is an abundant number, since it is smaller than the sum of its proper divisors (768073236).

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

403109868 is a wasteful number, since it uses less digits than its factorization.

403109868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 403109868 is about 20077.5961708567. The cubic root of 403109868 is about 738.7108477566.

The spelling of 403109868 in words is "four hundred three million, one hundred nine thousand, eight hundred sixty-eight".