3521342240 has 96 divisors (see below), whose sum is σ = 9167691456. Its totient is φ = 1269918720.

The previous prime is 3521342239. The next prime is 3521342291. The reversal of 3521342240 is 422431253.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69755 + ... + 109125.

It is an arithmetic number, because the mean of its divisors is an integer number (95496786).

Almost surely, 2^3521342240 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 3521342240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4583845728).

3521342240 is an abundant number, since it is smaller than the sum of its proper divisors (5646349216).

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

3521342240 is a wasteful number, since it uses less digits than its factorization.

3521342240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39442 (or 39434 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 3521342240 is about 59340.8985439216. The cubic root of 3521342240 is about 1521.3743110560.

Adding to 3521342240 its reverse (422431253), we get a palindrome (3943773493).

The spelling of 3521342240 in words is "three billion, five hundred twenty-one million, three hundred forty-two thousand, two hundred forty".