44668942449 has 24 divisors (see below), whose sum is σ = 63097100640. Its totient is φ = 28031387904.

The previous prime is 44668942393. The next prime is 44668942463. The reversal of 44668942449 is 94424986644.

It is not a de Polignac number, because 44668942449 - 2⁸ = 44668942193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44668942392 and 44668942401.

It is not an unprimeable number, because it can be changed into a prime (44668942849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1389097 + ... + 1420889.

It is an arithmetic number, because the mean of its divisors is an integer number (2629045860).

Almost surely, 2^44668942449 is an apocalyptic number.

It is an amenable number.

44668942449 is a deficient number, since it is larger than the sum of its proper divisors (18428158191).

44668942449 is a wasteful number, since it uses less digits than its factorization.

44668942449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32129 (or 31972 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 60.

The spelling of 44668942449 in words is "forty-four billion, six hundred sixty-eight million, nine hundred forty-two thousand, four hundred forty-nine".