44808814821 has 4 divisors (see below), whose sum is σ = 59745086432. Its totient is φ = 29872543212.

The previous prime is 44808814819. The next prime is 44808814867. The reversal of 44808814821 is 12841880844.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44808814821 - 2¹ = 44808814819 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 (44808814801) 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, 7468135801 + ... + 7468135806.

It is an arithmetic number, because the mean of its divisors is an integer number (14936271608).

Almost surely, 2^44808814821 is an apocalyptic number.

It is an amenable number.

44808814821 is a deficient number, since it is larger than the sum of its proper divisors (14936271611).

44808814821 is a wasteful number, since it uses less digits than its factorization.

44808814821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14936271610.

The product of its (nonzero) digits is 524288, while the sum is 48.

The spelling of 44808814821 in words is "forty-four billion, eight hundred eight million, eight hundred fourteen thousand, eight hundred twenty-one".