140230052520 has 192 divisors, whose sum is σ = 450237528000. Its totient is φ = 34843668480.

The previous prime is 140230052507. The next prime is 140230052549. The reversal of 140230052520 is 25250032041.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8475616 + ... + 8492144.

It is an arithmetic number, because the mean of its divisors is an integer number (2344987125).

Almost surely, 2^140230052520 is an apocalyptic number.

140230052520 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 140230052520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225118764000).

140230052520 is an abundant number, since it is smaller than the sum of its proper divisors (310007475480).

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

140230052520 is a wasteful number, since it uses less digits than its factorization.

140230052520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16684 (or 16619 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 140230052520 its reverse (25250032041), we get a palindrome (165480084561).

The spelling of 140230052520 in words is "one hundred forty billion, two hundred thirty million, fifty-two thousand, five hundred twenty".