3405311442 has 80 divisors (see below), whose sum is σ = 8649970560. Its totient is φ = 992629728.

The previous prime is 3405311431. The next prime is 3405311447. The reversal of 3405311442 is 2441135043.

It is a happy number.

3405311442 is a `hidden beast` number, since 340 + 5 + 311 + 4 + 4 + 2 = 666.

It is a super-2 number, since 2×3405311442² = 23192292034032238728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3405311447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2538 + ... + 82565.

It is an arithmetic number, because the mean of its divisors is an integer number (108124632).

Almost surely, 2^3405311442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3405311442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4324985280).

3405311442 is an abundant number, since it is smaller than the sum of its proper divisors (5244659118).

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

3405311442 is a wasteful number, since it uses less digits than its factorization.

3405311442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85149 (or 85140 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3405311442 is about 58355.0464141706. The cubic root of 3405311442 is about 1504.4772071151.

Adding to 3405311442 its reverse (2441135043), we get a palindrome (5846446485).

The spelling of 3405311442 in words is "three billion, four hundred five million, three hundred eleven thousand, four hundred forty-two".