140409044 has 24 divisors (see below), whose sum is σ = 254999808. Its totient is φ = 67576320.

The previous prime is 140409037. The next prime is 140409047. The reversal of 140409044 is 440904041.

140409044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140409047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20999 + ... + 26865.

It is an arithmetic number, because the mean of its divisors is an integer number (10624992).

Almost surely, 2^140409044 is an apocalyptic number.

It is an amenable number.

140409044 is a deficient number, since it is larger than the sum of its proper divisors (114590764).

140409044 is a wasteful number, since it uses less digits than its factorization.

140409044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095 (or 6093 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 140409044 is about 11849.4322226848. The cubic root of 140409044 is about 519.7546228887.

The spelling of 140409044 in words is "one hundred forty million, four hundred nine thousand, forty-four".