44408299821 has 16 divisors (see below), whose sum is σ = 60833009664. Its totient is φ = 28802106224.

The previous prime is 44408299811. The next prime is 44408299853. The reversal of 44408299821 is 12899280444.

44408299821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 44408299821 - 2⁶ = 44408299757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44408299801) 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, 919425 + ... + 966518.

It is an arithmetic number, because the mean of its divisors is an integer number (3802063104).

Almost surely, 2^44408299821 is an apocalyptic number.

It is an amenable number.

44408299821 is a deficient number, since it is larger than the sum of its proper divisors (16424709843).

44408299821 is a wasteful number, since it uses less digits than its factorization.

44408299821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886160.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 44408299821 in words is "forty-four billion, four hundred eight million, two hundred ninety-nine thousand, eight hundred twenty-one".