140268011520 has 704 divisors, whose sum is σ = 563714323200. Its totient is φ = 29595009024.

The previous prime is 140268011503. The next prime is 140268011549. The reversal of 140268011520 is 25110862041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 10789847034 + ... + 10789847046.

Almost surely, 2^140268011520 is an apocalyptic number.

140268011520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140268011520 is a droll number since its even prime factors and its odd prime factors have the same sum.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140268011520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281857161600).

140268011520 is an abundant number, since it is smaller than the sum of its proper divisors (423446311680).

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

140268011520 is an frugal number, since it uses more digits than its factorization.

140268011520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 140268011520 its reverse (25110862041), we get a palindrome (165378873561).

The spelling of 140268011520 in words is "one hundred forty billion, two hundred sixty-eight million, eleven thousand, five hundred twenty".