3531220150400 has 96 divisors (see below), whose sum is σ = 8740987393680. Its totient is φ = 1409610675200.

The previous prime is 3531220150357. The next prime is 3531220150417. The reversal of 3531220150400 is 40510221353.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3531220150400.

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 11 ways as a sum of consecutive naturals, for example, 447467 + ... + 2694933.

Almost surely, 2^{3531220150400} 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 3531220150400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4370493696840).

3531220150400 is an abundant number, since it is smaller than the sum of its proper divisors (5209767243280).

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

3531220150400 is a wasteful number, since it uses less digits than its factorization.

3531220150400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247982 (or 2247965 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 3531220150400 its reverse (40510221353), we get a palindrome (3571730371753).

The spelling of 3531220150400 in words is "three trillion, five hundred thirty-one billion, two hundred twenty million, one hundred fifty thousand, four hundred".