444446916 has 12 divisors (see below), whose sum is σ = 1037042832. Its totient is φ = 148148968.

The previous prime is 444446851. The next prime is 444446921. The reversal of 444446916 is 619644444.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×444446916² = 395066122283822112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18518610 + ... + 18518633.

It is an arithmetic number, because the mean of its divisors is an integer number (86420236).

Almost surely, 2^444446916 is an apocalyptic number.

It is an amenable number.

444446916 is an abundant number, since it is smaller than the sum of its proper divisors (592595916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444446916 is a wasteful number, since it uses less digits than its factorization.

444446916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37037250 (or 37037248 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 444446916 is about 21081.9096857946. The cubic root of 444446916 is about 763.1442429787.

It can be divided in two parts, 44444 and 6916, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 444446916 in words is "four hundred forty-four million, four hundred forty-six thousand, nine hundred sixteen".