24202121421340 has 24 divisors (see below), whose sum is σ = 50835951315072. Its totient is φ = 9678658791360.

The previous prime is 24202121421329. The next prime is 24202121421367. The reversal of 24202121421340 is 4312412120242.

It is a junction number, because it is equal to n+sod(n) for n = 24202121421299 and 24202121421308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136770444 + ... + 136947283.

It is an arithmetic number, because the mean of its divisors is an integer number (2118164638128).

Almost surely, 2^{24202121421340} is an apocalyptic number.

24202121421340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24202121421340 is an abundant number, since it is smaller than the sum of its proper divisors (26633829893732).

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

24202121421340 is a wasteful number, since it uses less digits than its factorization.

24202121421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273722157 (or 273722155 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 24202121421340 its reverse (4312412120242), we get a palindrome (28514533541582).

The spelling of 24202121421340 in words is "twenty-four trillion, two hundred two billion, one hundred twenty-one million, four hundred twenty-one thousand, three hundred forty".