140424404 has 6 divisors (see below), whose sum is σ = 245742714. Its totient is φ = 70212200.

The previous prime is 140424397. The next prime is 140424419. The reversal of 140424404 is 404424041.

140424404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 104448400 + 35976004 = 10220^2 + 5998^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140424404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17553047 + ... + 17553054.

It is an arithmetic number, because the mean of its divisors is an integer number (40957119).

Almost surely, 2^140424404 is an apocalyptic number.

It is an amenable number.

140424404 is a deficient number, since it is larger than the sum of its proper divisors (105318310).

140424404 is a wasteful number, since it uses less digits than its factorization.

140424404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35106105 (or 35106103 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 140424404 is about 11850.0803372804. The cubic root of 140424404 is about 519.7735749915.

Adding to 140424404 its reverse (404424041), we get a palindrome (544848445).

The spelling of 140424404 in words is "one hundred forty million, four hundred twenty-four thousand, four hundred four".