140315450240 has 64 divisors (see below), whose sum is σ = 383361867360. Its totient is φ = 48108152832.

The previous prime is 140315450239. The next prime is 140315450251. The reversal of 140315450240 is 42054513041.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 15655727 + ... + 15664686.

Almost surely, 2^140315450240 is an apocalyptic number.

140315450240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140315450240 is an abundant number, since it is smaller than the sum of its proper divisors (243046417120).

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

140315450240 is an equidigital number, since it uses as much as digits as its factorization.

140315450240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31320439 (or 31320427 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 140315450240 its reverse (42054513041), we get a palindrome (182369963281).

The spelling of 140315450240 in words is "one hundred forty billion, three hundred fifteen million, four hundred fifty thousand, two hundred forty".