39850809444 has 36 divisors (see below), whose sum is σ = 100823793616. Its totient is φ = 13271761008.

The previous prime is 39850809443. The next prime is 39850809463. The reversal of 39850809444 is 44490805893.

39850809444 is a `hidden beast` number, since 3 + 9 + 8 + 508 + 0 + 94 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×39850809444³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (39850809443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452434 + ... + 533289.

Almost surely, 2^39850809444 is an apocalyptic number.

It is an amenable number.

39850809444 is an abundant number, since it is smaller than the sum of its proper divisors (60972984172).

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

39850809444 is a wasteful number, since it uses less digits than its factorization.

39850809444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986856 (or 986851 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 39850809444 in words is "thirty-nine billion, eight hundred fifty million, eight hundred nine thousand, four hundred forty-four".