64124244 has 96 divisors (see below), whose sum is σ = 174182400. Its totient is φ = 20377440.

The previous prime is 64124227. The next prime is 64124251. The reversal of 64124244 is 44242146.

It is a happy number.

64124244 is a `hidden beast` number, since 6 + 412 + 4 + 244 = 666.

It is a super-2 number, since 2×64124244² = 8223837337143072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358147 + ... + 358325.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2^64124244 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 64124244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87091200).

64124244 is an abundant number, since it is smaller than the sum of its proper divisors (110058156).

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

64124244 is a wasteful number, since it uses less digits than its factorization.

64124244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 322 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 64124244 is about 8007.7614849595. The cubic root of 64124244 is about 400.2586743496.

The spelling of 64124244 in words is "sixty-four million, one hundred twenty-four thousand, two hundred forty-four".