44448420464 has 20 divisors (see below), whose sum is σ = 98421502704. Its totient is φ = 19049323008.

The previous prime is 44448420427. The next prime is 44448420559. The reversal of 44448420464 is 46402484444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198430337 + ... + 198430560.

Almost surely, 2^44448420464 is an apocalyptic number.

It is an amenable number.

44448420464 is an abundant number, since it is smaller than the sum of its proper divisors (53973082240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44448420464 is a wasteful number, since it uses less digits than its factorization.

44448420464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396860912 (or 396860906 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 44.

The spelling of 44448420464 in words is "forty-four billion, four hundred forty-eight million, four hundred twenty thousand, four hundred sixty-four".