3521051044 has 72 divisors (see below), whose sum is σ = 7606027968. Its totient is φ = 1396180800.

The previous prime is 3521051011. The next prime is 3521051057. The reversal of 3521051044 is 4401501253.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430594 + ... + 438694.

Almost surely, 2^3521051044 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 3521051044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3803013984).

3521051044 is an abundant number, since it is smaller than the sum of its proper divisors (4084976924).

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

3521051044 is a wasteful number, since it uses less digits than its factorization.

3521051044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193 (or 8172 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3521051044 is about 59338.4449071595. Note that the first 3 decimals coincide. The cubic root of 3521051044 is about 1521.3323734182.

Adding to 3521051044 its reverse (4401501253), we get a palindrome (7922552297).

The spelling of 3521051044 in words is "three billion, five hundred twenty-one million, fifty-one thousand, forty-four".