490017744 has 90 divisors (see below), whose sum is σ = 1417434018. Its totient is φ = 158025600.

The previous prime is 490017721. The next prime is 490017757. The reversal of 490017744 is 447710094.

It can be written as a sum of positive squares in only one way, i.e., 403527744 + 86490000 = 20088^2 + 9300^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 490017699 and 490017708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 136614 + ... + 140154.

Almost surely, 2^490017744 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 490017744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708717009).

490017744 is an abundant number, since it is smaller than the sum of its proper divisors (927416274).

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

490017744 is a wasteful number, since it uses less digits than its factorization.

490017744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617 (or 3577 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 490017744 is about 22136.3444136560. The cubic root of 490017744 is about 788.3830324539.

The spelling of 490017744 in words is "four hundred ninety million, seventeen thousand, seven hundred forty-four".