44802652661 has 4 divisors (see below), whose sum is σ = 48249010572. Its totient is φ = 41356294752.

The previous prime is 44802652549. The next prime is 44802652787. The reversal of 44802652661 is 16625620844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6960731761 + 37841920900 = 83431^2 + 194530^2 .

It is a cyclic number.

It is not a de Polignac number, because 44802652661 - 2³⁴ = 27622783477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44804652661) 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, 1723178936 + ... + 1723178961.

It is an arithmetic number, because the mean of its divisors is an integer number (12062252643).

Almost surely, 2^44802652661 is an apocalyptic number.

It is an amenable number.

44802652661 is a deficient number, since it is larger than the sum of its proper divisors (3446357911).

44802652661 is a wasteful number, since it uses less digits than its factorization.

44802652661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446357910.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 44802652661 in words is "forty-four billion, eight hundred two million, six hundred fifty-two thousand, six hundred sixty-one".