140220111240 has 96 divisors (see below), whose sum is σ = 497144044800. Its totient is φ = 33992753280.

The previous prime is 140220111211. The next prime is 140220111247. The reversal of 140220111240 is 42111022041.

140220111240 is a `hidden beast` number, since 1 + 402 + 20 + 1 + 1 + 1 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (140220111247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17700600 + ... + 17708519.

It is an arithmetic number, because the mean of its divisors is an integer number (5178583800).

Almost surely, 2^140220111240 is an apocalyptic number.

140220111240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140220111240 is an abundant number, since it is smaller than the sum of its proper divisors (356923933560).

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

140220111240 is a wasteful number, since it uses less digits than its factorization.

140220111240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35409147 (or 35409140 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 140220111240 its reverse (42111022041), we get a palindrome (182331133281).

The spelling of 140220111240 in words is "one hundred forty billion, two hundred twenty million, one hundred eleven thousand, two hundred forty".