3551047900928 has 144 divisors (see below), whose sum is σ = 8094484887552. Its totient is φ = 1540041216000.

The previous prime is 3551047900901. The next prime is 3551047900963. The reversal of 3551047900928 is 8290097401553.

It is a super-2 number, since 2×3551047900928² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3551047900928.

It is a congruent number.

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, 5911550 + ... + 6484482.

It is an arithmetic number, because the mean of its divisors is an integer number (56211700608).

Almost surely, 2^{3551047900928} 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 3551047900928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4047242443776).

3551047900928 is an abundant number, since it is smaller than the sum of its proper divisors (4543436986624).

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

3551047900928 is a wasteful number, since it uses less digits than its factorization.

3551047900928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573062 (or 573048 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 3551047900928 in words is "three trillion, five hundred fifty-one billion, forty-seven million, nine hundred thousand, nine hundred twenty-eight".