65444231224 has 8 divisors (see below), whose sum is σ = 122707933560. Its totient is φ = 32722115608.

The previous prime is 65444231221. The next prime is 65444231227. The reversal of 65444231224 is 42213244456.

It is an interprime number because it is at equal distance from previous prime (65444231221) and next prime (65444231227).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65444231221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4090264444 + ... + 4090264459.

It is an arithmetic number, because the mean of its divisors is an integer number (15338491695).

Almost surely, 2^65444231224 is an apocalyptic number.

It is an amenable number.

65444231224 is a deficient number, since it is larger than the sum of its proper divisors (57263702336).

65444231224 is a wasteful number, since it uses less digits than its factorization.

65444231224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8180528909 (or 8180528905 counting only the distinct ones).

The product of its digits is 184320, while the sum is 37.

The spelling of 65444231224 in words is "sixty-five billion, four hundred forty-four million, two hundred thirty-one thousand, two hundred twenty-four".