1240201424 has 80 divisors (see below), whose sum is σ = 3008962176. Its totient is φ = 481075200.

The previous prime is 1240201411. The next prime is 1240201429. The reversal of 1240201424 is 4241020421.

It is a junction number, because it is equal to n+sod(n) for n = 1240201396 and 1240201405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240201429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294824 + ... + 299000.

Almost surely, 2^1240201424 is an apocalyptic number.

1240201424 is a gapful number since it is divisible by the number (14) 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 1240201424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504481088).

1240201424 is an abundant number, since it is smaller than the sum of its proper divisors (1768760752).

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

1240201424 is a wasteful number, since it uses less digits than its factorization.

1240201424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444 (or 4438 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1240201424 is about 35216.4936357951. The cubic root of 1240201424 is about 1074.3952391487.

Adding to 1240201424 its reverse (4241020421), we get a palindrome (5481221845).

The spelling of 1240201424 in words is "one billion, two hundred forty million, two hundred one thousand, four hundred twenty-four".