140431024030240 has 24 divisors (see below), whose sum is σ = 331768294271820. Its totient is φ = 56172409612032.

The previous prime is 140431024030183. The next prime is 140431024030261. The reversal of 140431024030240 is 42030420134041.

It can be written as a sum of positive squares in 2 ways, for example, as 126542790767376 + 13888233262864 = 11249124^2 + 3726692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140431024030199 and 140431024030208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438846949935 + ... + 438846950254.

Almost surely, 2^{140431024030240} is an apocalyptic number.

140431024030240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140431024030240 is an abundant number, since it is smaller than the sum of its proper divisors (191337270241580).

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

140431024030240 is an equidigital number, since it uses as much as digits as its factorization.

140431024030240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877693900204 (or 877693900196 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 140431024030240 its reverse (42030420134041), we get a palindrome (182461444164281).

The spelling of 140431024030240 in words is "one hundred forty trillion, four hundred thirty-one billion, twenty-four million, thirty thousand, two hundred forty".