44201078381 has 2 divisors, whose sum is σ = 44201078382. Its totient is φ = 44201078380.

The previous prime is 44201078371. The next prime is 44201078447. The reversal of 44201078381 is 18387010244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27866960356 + 16334118025 = 166934^2 + 127805^2 .

It is a cyclic number.

It is not a de Polignac number, because 44201078381 - 2²² = 44196884077 is a prime.

It is a super-2 number, since 2×44201078381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44201078371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22100539190 + 22100539191.

It is an arithmetic number, because the mean of its divisors is an integer number (22100539191).

Almost surely, 2^44201078381 is an apocalyptic number.

It is an amenable number.

44201078381 is a deficient number, since it is larger than the sum of its proper divisors (1).

44201078381 is an equidigital number, since it uses as much as digits as its factorization.

44201078381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 38.

It can be divided in two parts, 4420 and 1078381, that added together give a palindrome (1082801).

The spelling of 44201078381 in words is "forty-four billion, two hundred one million, seventy-eight thousand, three hundred eighty-one".