415550044 has 72 divisors (see below), whose sum is σ = 907931808. Its totient is φ = 162938880.

The previous prime is 415549999. The next prime is 415550053. The reversal of 415550044 is 440055514.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 415549994 and 415550021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 647964 + ... + 648604.

It is an arithmetic number, because the mean of its divisors is an integer number (12610164).

Almost surely, 2^415550044 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 415550044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453965904).

415550044 is an abundant number, since it is smaller than the sum of its proper divisors (492381764).

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

415550044 is a wasteful number, since it uses less digits than its factorization.

415550044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 415550044 is about 20385.0446160905. The cubic root of 415550044 is about 746.2329891084.

The spelling of 415550044 in words is "four hundred fifteen million, five hundred fifty thousand, forty-four".