1001426244420 has 192 divisors, whose sum is σ = 3220060580352. Its totient is φ = 227791872000.

The previous prime is 1001426244389. The next prime is 1001426244421. The reversal of 1001426244420 is 244426241001.

1001426244420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1001426244420² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1001426244421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216709710 + ... + 216714330.

It is an arithmetic number, because the mean of its divisors is an integer number (16771148856).

Almost surely, 2^{1001426244420} is an apocalyptic number.

1001426244420 is a gapful number since it is divisible by the number (10) 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 1001426244420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610030290176).

1001426244420 is an abundant number, since it is smaller than the sum of its proper divisors (2218634335932).

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

1001426244420 is a wasteful number, since it uses less digits than its factorization.

1001426244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022 (or 7020 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The spelling of 1001426244420 in words is "one trillion, one billion, four hundred twenty-six million, two hundred forty-four thousand, four hundred twenty".