140420230401424 has 10 divisors (see below), whose sum is σ = 272064196402790. Its totient is φ = 70210115200704.

The previous prime is 140420230401419. The next prime is 140420230401461. The reversal of 140420230401424 is 424104032024041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 133067021979024 + 7353208422400 = 11535468^2 + 2711680^2 .

It is a super-2 number, since 2×140420230401424² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4388132200029 + ... + 4388132200060.

It is an arithmetic number, because the mean of its divisors is an integer number (27206419640279).

Almost surely, 2^{140420230401424} is an apocalyptic number.

It is an amenable number.

140420230401424 is a deficient number, since it is larger than the sum of its proper divisors (131643966001366).

140420230401424 is an equidigital number, since it uses as much as digits as its factorization.

140420230401424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8776264400097 (or 8776264400091 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 140420230401424 its reverse (424104032024041), we get a palindrome (564524262425465).

The spelling of 140420230401424 in words is "one hundred forty trillion, four hundred twenty billion, two hundred thirty million, four hundred one thousand, four hundred twenty-four".