38401105445 has 8 divisors (see below), whose sum is σ = 46556392344. Its totient is φ = 30404173824.

The previous prime is 38401105439. The next prime is 38401105451. The reversal of 38401105445 is 54450110483.

It is a Cunningham number, because it is equal to 195962²+1.

It is an interprime number because it is at equal distance from previous prime (38401105439) and next prime (38401105451).

It can be written as a sum of positive squares in 4 ways, for example, as 13824586084 + 24576519361 = 117578^2 + 156769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38401105445 - 2³² = 34106138149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39588284 + ... + 39589253.

It is an arithmetic number, because the mean of its divisors is an integer number (5819549043).

Almost surely, 2^38401105445 is an apocalyptic number.

It is an amenable number.

38401105445 is a deficient number, since it is larger than the sum of its proper divisors (8155286899).

38401105445 is an equidigital number, since it uses as much as digits as its factorization.

38401105445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79177639.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 38401105445 in words is "thirty-eight billion, four hundred one million, one hundred five thousand, four hundred forty-five".