47440044 has 36 divisors (see below), whose sum is σ = 123789120. Its totient is φ = 15302880.

The previous prime is 47440039. The next prime is 47440067. The reversal of 47440044 is 44004474.

It is a happy number.

47440044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20139 + ... + 22370.

Almost surely, 2^47440044 is an apocalyptic number.

It is an amenable number.

47440044 is an abundant number, since it is smaller than the sum of its proper divisors (76349076).

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

47440044 is a wasteful number, since it uses less digits than its factorization.

47440044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42550 (or 42545 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 47440044 is about 6887.6733372018. The cubic root of 47440044 is about 362.0053823361.

The spelling of 47440044 in words is "forty-seven million, four hundred forty thousand, forty-four".