3551926287980 has 96 divisors (see below), whose sum is σ = 8579296051200. Its totient is φ = 1210004082432.

The previous prime is 3551926287961. The next prime is 3551926288013. The reversal of 3551926287980 is 897826291553.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30741077 + ... + 30856403.

It is an arithmetic number, because the mean of its divisors is an integer number (89367667200).

Almost surely, 2^{3551926287980} 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 3551926287980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4289648025600).

3551926287980 is an abundant number, since it is smaller than the sum of its proper divisors (5027369763220).

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

3551926287980 is a wasteful number, since it uses less digits than its factorization.

3551926287980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116751 (or 116749 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 65.

The spelling of 3551926287980 in words is "three trillion, five hundred fifty-one billion, nine hundred twenty-six million, two hundred eighty-seven thousand, nine hundred eighty".