140140341440 has 84 divisors (see below), whose sum is σ = 366804415488. Its totient is φ = 50960110080.

The previous prime is 140140341437. The next prime is 140140341457. The reversal of 140140341440 is 44143041041.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1770944 + ... + 1848383.

It is an arithmetic number, because the mean of its divisors is an integer number (4366719232).

Almost surely, 2^140140341440 is an apocalyptic number.

140140341440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140140341440 is an abundant number, since it is smaller than the sum of its proper divisors (226664074048).

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

140140341440 is a wasteful number, since it uses less digits than its factorization.

140140341440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619366 (or 3619345 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 140140341440 its reverse (44143041041), we get a palindrome (184283382481).

The spelling of 140140341440 in words is "one hundred forty billion, one hundred forty million, three hundred forty-one thousand, four hundred forty".