61441488 has 60 divisors (see below), whose sum is σ = 177892260. Its totient is φ = 19772928.

The previous prime is 61441481. The next prime is 61441511. The reversal of 61441488 is 88414416.

It can be written as a sum of positive squares in 2 ways, for example, as 39087504 + 22353984 = 6252^2 + 4728^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61441481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3181 + ... + 11532.

It is an arithmetic number, because the mean of its divisors is an integer number (2964871).

Almost surely, 2^61441488 is an apocalyptic number.

It is an amenable number.

61441488 is an abundant number, since it is smaller than the sum of its proper divisors (116450772).

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

61441488 is a wasteful number, since it uses less digits than its factorization.

61441488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14756 (or 14747 counting only the distinct ones).

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

The square root of 61441488 is about 7838.4620940590. The cubic root of 61441488 is about 394.5971173911.

The spelling of 61441488 in words is "sixty-one million, four hundred forty-one thousand, four hundred eighty-eight".