61441120 has 96 divisors (see below), whose sum is σ = 158336640. Its totient is φ = 22394880.

The previous prime is 61441099. The next prime is 61441129. The reversal of 61441120 is 2114416.

It is a super-2 number, since 2×61441120² = 7550022453708800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61441129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226585 + ... + 226855.

It is an arithmetic number, because the mean of its divisors is an integer number (1649340).

Almost surely, 2^61441120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61441120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79168320).

61441120 is an abundant number, since it is smaller than the sum of its proper divisors (96895520).

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

61441120 is a wasteful number, since it uses less digits than its factorization.

61441120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 61441120 is about 7838.4386200314. The cubic root of 61441120 is about 394.5963295845.

Adding to 61441120 its reverse (2114416), we get a palindrome (63555536).

The spelling of 61441120 in words is "sixty-one million, four hundred forty-one thousand, one hundred twenty".