3551261442 has 32 divisors (see below), whose sum is σ = 7130289600. Its totient is φ = 1179137088.

The previous prime is 3551261437. The next prime is 3551261459. The reversal of 3551261442 is 2441621553.

It is a super-2 number, since 2×3551261442² = 25222915658871838728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2433309 + ... + 2434767.

It is an arithmetic number, because the mean of its divisors is an integer number (222821550).

Almost surely, 2^3551261442 is an apocalyptic number.

3551261442 is an abundant number, since it is smaller than the sum of its proper divisors (3579028158).

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

3551261442 is a wasteful number, since it uses less digits than its factorization.

3551261442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770.

The product of its digits is 28800, while the sum is 33.

The square root of 3551261442 is about 59592.4612849646. The cubic root of 3551261442 is about 1525.6709675957.

Adding to 3551261442 its reverse (2441621553), we get a palindrome (5992882995).

The spelling of 3551261442 in words is "three billion, five hundred fifty-one million, two hundred sixty-one thousand, four hundred forty-two".