424140241240 has 64 divisors (see below), whose sum is σ = 989251444800. Its totient is φ = 163469311488.

The previous prime is 424140241223. The next prime is 424140241271. The reversal of 424140241240 is 42142041424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 424140241199 and 424140241208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189522 + ... + 940318.

It is an arithmetic number, because the mean of its divisors is an integer number (15457053825).

Almost surely, 2^424140241240 is an apocalyptic number.

424140241240 is a gapful number since it is divisible by the number (40) 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 424140241240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494625722400).

424140241240 is an abundant number, since it is smaller than the sum of its proper divisors (565111203560).

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

424140241240 is a wasteful number, since it uses less digits than its factorization.

424140241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751324 (or 751320 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 424140241240 its reverse (42142041424), we get a palindrome (466282282664).

The spelling of 424140241240 in words is "four hundred twenty-four billion, one hundred forty million, two hundred forty-one thousand, two hundred forty".