3530531040 has 48 divisors (see below), whose sum is σ = 11121174288. Its totient is φ = 941474816.

The previous prime is 3530531003. The next prime is 3530531071. The reversal of 3530531040 is 401350353.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3530531040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3677157 + ... + 3678116.

It is an arithmetic number, because the mean of its divisors is an integer number (231691131).

Almost surely, 2^3530531040 is an apocalyptic number.

3530531040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3530531040 is an abundant number, since it is smaller than the sum of its proper divisors (7590643248).

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

3530531040 is a wasteful number, since it uses less digits than its factorization.

3530531040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7355291 (or 7355283 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 3530531040 is about 59418.2719371743. The cubic root of 3530531040 is about 1522.6964832258.

Adding to 3530531040 its reverse (401350353), we get a palindrome (3931881393).

The spelling of 3530531040 in words is "three billion, five hundred thirty million, five hundred thirty-one thousand, forty".