60440064 has 120 divisors (see below), whose sum is σ = 171495720. Its totient is φ = 18911232.

The previous prime is 60440059. The next prime is 60440077. The reversal of 60440064 is 46004406.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554442 + ... + 554550.

It is an arithmetic number, because the mean of its divisors is an integer number (1429131).

Almost surely, 2^60440064 is an apocalyptic number.

60440064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60440064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85747860).

60440064 is an abundant number, since it is smaller than the sum of its proper divisors (111055656).

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

60440064 is a wasteful number, since it uses less digits than its factorization.

60440064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 60440064 is about 7774.3208063470. The cubic root of 60440064 is about 392.4415405111.

The spelling of 60440064 in words is "sixty million, four hundred forty thousand, sixty-four".