140340040000 has 70 divisors (see below), whose sum is σ = 347997787874. Its totient is φ = 56136000000.

The previous prime is 140340039949. The next prime is 140340040063. The reversal of 140340040000 is 40043041.

It can be written as a sum of positive squares in 5 ways, for example, as 19002071104 + 121337968896 = 137848^2 + 348336^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1714251 + ... + 1794250.

Almost surely, 2^140340040000 is an apocalyptic number.

140340040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140340040000 is an abundant number, since it is smaller than the sum of its proper divisors (207657747874).

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

140340040000 is an frugal number, since it uses more digits than its factorization.

140340040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508533 (or 3508508 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 140340040000 its reverse (40043041), we get a palindrome (140380083041).

The spelling of 140340040000 in words is "one hundred forty billion, three hundred forty million, forty thousand".