44471919 has 4 divisors (see below), whose sum is σ = 59295896. Its totient is φ = 29647944.

The previous prime is 44471897. The next prime is 44471927. The reversal of 44471919 is 91917444.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 44471919 - 2¹⁷ = 44340847 is a prime.

It is a super-2 number, since 2×44471919² = 3955503159085122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44471969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7411984 + ... + 7411989.

It is an arithmetic number, because the mean of its divisors is an integer number (14823974).

Almost surely, 2^44471919 is an apocalyptic number.

44471919 is a deficient number, since it is larger than the sum of its proper divisors (14823977).

44471919 is a wasteful number, since it uses less digits than its factorization.

44471919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14823976.

The product of its digits is 36288, while the sum is 39.

The square root of 44471919 is about 6668.7269399789. The cubic root of 44471919 is about 354.2924982055.

It can be divided in two parts, 444 and 71919, that multiplied together give a triangular number (31932036 = T₇₉₉₁).

The spelling of 44471919 in words is "forty-four million, four hundred seventy-one thousand, nine hundred nineteen".