4465772775644 has 12 divisors (see below), whose sum is σ = 7815494959104. Its totient is φ = 2232774215904.

The previous prime is 4465772775637. The next prime is 4465772775649.

It is a happy number.

4465772775644 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4465772775644² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4465772775649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27953372 + ... + 28112675.

It is an arithmetic number, because the mean of its divisors is an integer number (651291246592).

Almost surely, 2^{4465772775644} is an apocalyptic number.

It is an amenable number.

4465772775644 is a deficient number, since it is larger than the sum of its proper divisors (3349722183460).

4465772775644 is a wasteful number, since it uses less digits than its factorization.

4465772775644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56085964 (or 56085962 counting only the distinct ones).

The product of its digits is 1106380800, while the sum is 68.

The spelling of 4465772775644 in words is "four trillion, four hundred sixty-five billion, seven hundred seventy-two million, seven hundred seventy-five thousand, six hundred forty-four".