44478477 has 56 divisors (see below), whose sum is σ = 73265976. Its totient is φ = 26873856.

The previous prime is 44478433. The next prime is 44478479. The reversal of 44478477 is 77487444.

It can be written as a sum of positive squares in 4 ways, for example, as 20331081 + 24147396 = 4509^2 + 4914^2 .

It is not a de Polignac number, because 44478477 - 2¹⁹ = 43954189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44478479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 458493 + ... + 458589.

It is an arithmetic number, because the mean of its divisors is an integer number (1308321).

Almost surely, 2^44478477 is an apocalyptic number.

It is an amenable number.

44478477 is a deficient number, since it is larger than the sum of its proper divisors (28787499).

44478477 is an equidigital number, since it uses as much as digits as its factorization.

44478477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 154 counting only the distinct ones).

The product of its digits is 702464, while the sum is 45.

The square root of 44478477 is about 6669.2186198984. The cubic root of 44478477 is about 354.3099124604.

The spelling of 44478477 in words is "forty-four million, four hundred seventy-eight thousand, four hundred seventy-seven".