140004420144 has 40 divisors (see below), whose sum is σ = 361952040432. Its totient is φ = 46632791040.

The previous prime is 140004420037. The next prime is 140004420151. The reversal of 140004420144 is 441024400041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1040589 + ... + 1167404.

Almost surely, 2^140004420144 is an apocalyptic number.

It is an amenable number.

140004420144 is an abundant number, since it is smaller than the sum of its proper divisors (221947620288).

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

140004420144 is a wasteful number, since it uses less digits than its factorization.

140004420144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209325 (or 2209319 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 140004420144 its reverse (441024400041), we get a palindrome (581028820185).

The spelling of 140004420144 in words is "one hundred forty billion, four million, four hundred twenty thousand, one hundred forty-four".