64011244 has 12 divisors (see below), whose sum is σ = 122203368. Its totient is φ = 29096000.

The previous prime is 64011217. The next prime is 64011271. The reversal of 64011244 is 44211046.

It is an interprime number because it is at equal distance from previous prime (64011217) and next prime (64011271).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727357 + ... + 727444.

It is an arithmetic number, because the mean of its divisors is an integer number (10183614).

Almost surely, 2^64011244 is an apocalyptic number.

It is an amenable number.

64011244 is a deficient number, since it is larger than the sum of its proper divisors (58192124).

64011244 is a wasteful number, since it uses less digits than its factorization.

64011244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454816 (or 1454814 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 64011244 is about 8000.7027191366. The cubic root of 64011244 is about 400.0234236283.

The spelling of 64011244 in words is "sixty-four million, eleven thousand, two hundred forty-four".