44021401357 has 2 divisors, whose sum is σ = 44021401358. Its totient is φ = 44021401356.

The previous prime is 44021401313. The next prime is 44021401427. The reversal of 44021401357 is 75310412044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43283138116 + 738263241 = 208046^2 + 27171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44021401357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44021401657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22010700678 + 22010700679.

It is an arithmetic number, because the mean of its divisors is an integer number (22010700679).

Almost surely, 2^44021401357 is an apocalyptic number.

It is an amenable number.

44021401357 is a deficient number, since it is larger than the sum of its proper divisors (1).

44021401357 is an equidigital number, since it uses as much as digits as its factorization.

44021401357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 44021401357 in words is "forty-four billion, twenty-one million, four hundred one thousand, three hundred fifty-seven".