3551315420 has 12 divisors (see below), whose sum is σ = 7457762424. Its totient is φ = 1420526160.

The previous prime is 3551315407. The next prime is 3551315431. The reversal of 3551315420 is 245131553.

It is a super-2 number, since 2×3551315420² = 25223682424659552800, 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 3 ways as a sum of consecutive naturals, for example, 88782866 + ... + 88782905.

It is an arithmetic number, because the mean of its divisors is an integer number (621480202).

Almost surely, 2^3551315420 is an apocalyptic number.

It is an amenable number.

3551315420 is an abundant number, since it is smaller than the sum of its proper divisors (3906447004).

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

3551315420 is a wasteful number, since it uses less digits than its factorization.

3551315420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177565780 (or 177565778 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 3551315420 is about 59592.9141760998. The cubic root of 3551315420 is about 1525.6786974547.

Adding to 3551315420 its reverse (245131553), we get a palindrome (3796446973).

The spelling of 3551315420 in words is "three billion, five hundred fifty-one million, three hundred fifteen thousand, four hundred twenty".