44780268881 has 2 divisors, whose sum is σ = 44780268882. Its totient is φ = 44780268880.

The previous prime is 44780268877. The next prime is 44780268917. The reversal of 44780268881 is 18886208744.

44780268881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43604121856 + 1176147025 = 208816^2 + 34295^2 .

It is a cyclic number.

It is not a de Polignac number, because 44780268881 - 2² = 44780268877 is a prime.

It is a super-2 number, since 2×44780268881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44780268821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22390134440 + 22390134441.

It is an arithmetic number, because the mean of its divisors is an integer number (22390134441).

Almost surely, 2^44780268881 is an apocalyptic number.

It is an amenable number.

44780268881 is a deficient number, since it is larger than the sum of its proper divisors (1).

44780268881 is an equidigital number, since it uses as much as digits as its factorization.

44780268881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5505024, while the sum is 56.

The spelling of 44780268881 in words is "forty-four billion, seven hundred eighty million, two hundred sixty-eight thousand, eight hundred eighty-one".