3551650912420 has 48 divisors (see below), whose sum is σ = 8115001333488. Its totient is φ = 1297859420160.

The previous prime is 3551650912409. The next prime is 3551650912427. The reversal of 3551650912420 is 242190561553.

3551650912420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 131488912996 + 3420161999424 = 362614^2 + 1849368^2 .

It is a super-2 number, since 2×3551650912420² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3551650912427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70388161 + ... + 70438600.

It is an arithmetic number, because the mean of its divisors is an integer number (169062527781).

Almost surely, 2^{3551650912420} is an apocalyptic number.

It is an amenable number.

3551650912420 is an abundant number, since it is smaller than the sum of its proper divisors (4563350421068).

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

3551650912420 is a wasteful number, since it uses less digits than its factorization.

3551650912420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140826880 (or 140826878 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 3551650912420 in words is "three trillion, five hundred fifty-one billion, six hundred fifty million, nine hundred twelve thousand, four hundred twenty".