44422420040397 has 16 divisors (see below), whose sum is σ = 75212563031680. Its totient is φ = 25384240022976.

The previous prime is 44422420040381. The next prime is 44422420040459. The reversal of 44422420040397 is 79304002422444.

It is not a de Polignac number, because 44422420040397 - 2⁴ = 44422420040381 is a prime.

It is a super-2 number, since 2×44422420040397² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44422420040377) 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, 117519629548 + ... + 117519629925.

It is an arithmetic number, because the mean of its divisors is an integer number (4700785189480).

Almost surely, 2^{44422420040397} is an apocalyptic number.

It is an amenable number.

44422420040397 is a deficient number, since it is larger than the sum of its proper divisors (30790142991283).

44422420040397 is a wasteful number, since it uses less digits than its factorization.

44422420040397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235039259489 (or 235039259483 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 45.

The spelling of 44422420040397 in words is "forty-four trillion, four hundred twenty-two billion, four hundred twenty million, forty thousand, three hundred ninety-seven".