44778049 has 2 divisors, whose sum is σ = 44778050. Its totient is φ = 44778048.

The previous prime is 44777989. The next prime is 44778053. The reversal of 44778049 is 94087744.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44315649 + 462400 = 6657^2 + 680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44778049 is a prime.

It is a super-3 number, since 3×44778049³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44777996 and 44778014.

It is not a weakly prime, because it can be changed into another prime (44778089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22389024 + 22389025.

It is an arithmetic number, because the mean of its divisors is an integer number (22389025).

Almost surely, 2^44778049 is an apocalyptic number.

It is an amenable number.

44778049 is a deficient number, since it is larger than the sum of its proper divisors (1).

44778049 is an equidigital number, since it uses as much as digits as its factorization.

44778049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 44778049 is about 6691.6402324094. The cubic root of 44778049 is about 355.1035841349.

The spelling of 44778049 in words is "forty-four million, seven hundred seventy-eight thousand, forty-nine".