44646436465 has 16 divisors (see below), whose sum is σ = 55035975168. Its totient is φ = 34744078656.

The previous prime is 44646436447. The next prime is 44646436469. The reversal of 44646436465 is 56463464644.

It is a cyclic number.

It is not a de Polignac number, because 44646436465 - 2²⁹ = 44109565553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44646436469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890044 + ... + 938866.

It is an arithmetic number, because the mean of its divisors is an integer number (3439748448).

Almost surely, 2^44646436465 is an apocalyptic number.

It is an amenable number.

44646436465 is a deficient number, since it is larger than the sum of its proper divisors (10389538703).

44646436465 is a wasteful number, since it uses less digits than its factorization.

44646436465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53808.

The product of its digits is 19906560, while the sum is 52.

The spelling of 44646436465 in words is "forty-four billion, six hundred forty-six million, four hundred thirty-six thousand, four hundred sixty-five".