140444331340 has 48 divisors (see below), whose sum is σ = 297198720000. Its totient is φ = 55747320512.

The previous prime is 140444331289. The next prime is 140444331341. The reversal of 140444331340 is 43133444041.

It is a happy number.

It is a super-2 number, since 2×140444331340² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140444331341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965561 + ... + 2035759.

It is an arithmetic number, because the mean of its divisors is an integer number (6191640000).

Almost surely, 2^140444331340 is an apocalyptic number.

140444331340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140444331340 is an abundant number, since it is smaller than the sum of its proper divisors (156754388660).

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

140444331340 is a wasteful number, since it uses less digits than its factorization.

140444331340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70974 (or 70972 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 140444331340 its reverse (43133444041), we get a palindrome (183577775381).

The spelling of 140444331340 in words is "one hundred forty billion, four hundred forty-four million, three hundred thirty-one thousand, three hundred forty".