611234442 has 96 divisors (see below), whose sum is σ = 1647190272. Its totient is φ = 159501312.

The previous prime is 611234401. The next prime is 611234489. The reversal of 611234442 is 244432116.

It is a happy number.

611234442 is a `hidden beast` number, since 611 + 2 + 3 + 4 + 4 + 42 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156963 + ... + 160809.

It is an arithmetic number, because the mean of its divisors is an integer number (17158232).

Almost surely, 2^611234442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611234442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823595136).

611234442 is an abundant number, since it is smaller than the sum of its proper divisors (1035955830).

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

611234442 is a wasteful number, since it uses less digits than its factorization.

611234442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972 (or 3969 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 611234442 is about 24723.1559878588. The cubic root of 611234442 is about 848.6643114278.

Adding to 611234442 its reverse (244432116), we get a palindrome (855666558).

The spelling of 611234442 in words is "six hundred eleven million, two hundred thirty-four thousand, four hundred forty-two".