3551442012 has 36 divisors (see below), whose sum is σ = 9168266016. Its totient is φ = 1158625920.

The previous prime is 3551442007. The next prime is 3551442023. The reversal of 3551442012 is 2102441553.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3551442012² = 25225480729197216288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1047789 + ... + 1051172.

It is an arithmetic number, because the mean of its divisors is an integer number (254674056).

Almost surely, 2^3551442012 is an apocalyptic number.

It is an amenable number.

3551442012 is an abundant number, since it is smaller than the sum of its proper divisors (5616824004).

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

3551442012 is a wasteful number, since it uses less digits than its factorization.

3551442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099018 (or 2099013 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 3551442012 is about 59593.9763063349. The cubic root of 3551442012 is about 1525.6968256128.

Adding to 3551442012 its reverse (2102441553), we get a palindrome (5653883565).

The spelling of 3551442012 in words is "three billion, five hundred fifty-one million, four hundred forty-two thousand, twelve".