140515613323440 has 160 divisors (see below), whose sum is σ = 438793173314496. Its totient is φ = 37196030115840.

The previous prime is 140515613323427. The next prime is 140515613323457. The reversal of 140515613323440 is 44323316515041.

It is a junction number, because it is equal to n+sod(n) for n = 140515613323392 and 140515613323401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1288216744 + ... + 1288325816.

Almost surely, 2^{140515613323440} is an apocalyptic number.

140515613323440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140515613323440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219396586657248).

140515613323440 is an abundant number, since it is smaller than the sum of its proper divisors (298277559991056).

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

140515613323440 is a wasteful number, since it uses less digits than its factorization.

140515613323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148407 (or 148401 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 140515613323440 its reverse (44323316515041), we get a palindrome (184838929838481).

The spelling of 140515613323440 in words is "one hundred forty trillion, five hundred fifteen billion, six hundred thirteen million, three hundred twenty-three thousand, four hundred forty".