3561451451420 has 24 divisors (see below), whose sum is σ = 7503409780944. Its totient is φ = 1419940250496.

The previous prime is 3561451451413. The next prime is 3561451451449. The reversal of 3561451451420 is 241541541653.

3561451451420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290014337 + ... + 290026616.

It is an arithmetic number, because the mean of its divisors is an integer number (312642074206).

Almost surely, 2^{3561451451420} is an apocalyptic number.

It is an amenable number.

3561451451420 is an abundant number, since it is smaller than the sum of its proper divisors (3941958329524).

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

3561451451420 is a wasteful number, since it uses less digits than its factorization.

3561451451420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580041269 (or 580041267 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 3561451451420 in words is "three trillion, five hundred sixty-one billion, four hundred fifty-one million, four hundred fifty-one thousand, four hundred twenty".