140403542844 has 48 divisors (see below), whose sum is σ = 351270259200. Its totient is φ = 43490593536.

The previous prime is 140403542791. The next prime is 140403542887. The reversal of 140403542844 is 448245304041.

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, 4339914 + ... + 4372145.

It is an arithmetic number, because the mean of its divisors is an integer number (7318130400).

Almost surely, 2^140403542844 is an apocalyptic number.

It is an amenable number.

140403542844 is an abundant number, since it is smaller than the sum of its proper divisors (210866716356).

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

140403542844 is a wasteful number, since it uses less digits than its factorization.

140403542844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8712162 (or 8712160 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 39.

Adding to 140403542844 its reverse (448245304041), we get a palindrome (588648846885).

The spelling of 140403542844 in words is "one hundred forty billion, four hundred three million, five hundred forty-two thousand, eight hundred forty-four".