2421126438 has 32 divisors (see below), whose sum is σ = 4960783872. Its totient is φ = 787332000.

The previous prime is 2421126437. The next prime is 2421126439. The reversal of 2421126438 is 8346211242.

It is an interprime number because it is at equal distance from previous prime (2421126437) and next prime (2421126439).

It is a junction number, because it is equal to n+sod(n) for n = 2421126399 and 2421126408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421126437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229888 + ... + 240188.

It is an arithmetic number, because the mean of its divisors is an integer number (155024496).

Almost surely, 2^2421126438 is an apocalyptic number.

2421126438 is an abundant number, since it is smaller than the sum of its proper divisors (2539657434).

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

2421126438 is a wasteful number, since it uses less digits than its factorization.

2421126438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11260.

The product of its digits is 18432, while the sum is 33.

The square root of 2421126438 is about 49204.9432272815. The cubic root of 2421126438 is about 1342.7829661295.

The spelling of 2421126438 in words is "two billion, four hundred twenty-one million, one hundred twenty-six thousand, four hundred thirty-eight".