140064444 has 48 divisors (see below), whose sum is σ = 391067040. Its totient is φ = 43096320.

The previous prime is 140064427. The next prime is 140064451. The reversal of 140064444 is 444460041.

140064444 is a `hidden beast` number, since 14 + 0 + 0 + 644 + 4 + 4 = 666.

140064444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48477 + ... + 51284.

It is an arithmetic number, because the mean of its divisors is an integer number (8147230).

Almost surely, 2^140064444 is an apocalyptic number.

It is an amenable number.

140064444 is an abundant number, since it is smaller than the sum of its proper divisors (251002596).

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

140064444 is a wasteful number, since it uses less digits than its factorization.

140064444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99787 (or 99779 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 140064444 is about 11834.8825089225. The cubic root of 140064444 is about 519.3290706039.

The spelling of 140064444 in words is "one hundred forty million, sixty-four thousand, four hundred forty-four".