3530984490 has 144 divisors (see below), whose sum is σ = 10685178504. Its totient is φ = 805601280.

The previous prime is 3530984489. The next prime is 3530984533. The reversal of 3530984490 is 944890353.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2230011729 + 1300972761 = 47223^2 + 36069^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 175594 + ... + 194666.

Almost surely, 2^3530984490 is an apocalyptic number.

3530984490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3530984490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5342589252).

3530984490 is an abundant number, since it is smaller than the sum of its proper divisors (7154194014).

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

3530984490 is a wasteful number, since it uses less digits than its factorization.

3530984490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19125 (or 19111 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 3530984490 is about 59422.0875600984. The cubic root of 3530984490 is about 1522.7616705072.

The spelling of 3530984490 in words is "three billion, five hundred thirty million, nine hundred eighty-four thousand, four hundred ninety".