61441884 has 108 divisors (see below), whose sum is σ = 183951768. Its totient is φ = 17236800.

The previous prime is 61441871. The next prime is 61441889. The reversal of 61441884 is 48814416.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61441889) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107319 + ... + 107889.

Almost surely, 2^61441884 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 61441884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91975884).

61441884 is an abundant number, since it is smaller than the sum of its proper divisors (122509884).

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

61441884 is a wasteful number, since it uses less digits than its factorization.

61441884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 644 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 61441884 is about 7838.4873540754. The cubic root of 61441884 is about 394.5979651360.

The spelling of 61441884 in words is "sixty-one million, four hundred forty-one thousand, eight hundred eighty-four".