2401426021 has 8 divisors (see below), whose sum is σ = 2508223104. Its totient is φ = 2294827920.

The previous prime is 2401425991. The next prime is 2401426033. The reversal of 2401426021 is 1206241042.

It is a happy number.

2401426021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2401426021 - 2⁵ = 2401425989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2401425983 and 2401426001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401426051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24801 + ... + 73606.

It is an arithmetic number, because the mean of its divisors is an integer number (313527888).

Almost surely, 2^2401426021 is an apocalyptic number.

It is an amenable number.

2401426021 is a deficient number, since it is larger than the sum of its proper divisors (106797083).

2401426021 is a wasteful number, since it uses less digits than its factorization.

2401426021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99491.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2401426021 is about 49004.3469602443. The cubic root of 2401426021 is about 1339.1310213965.

Adding to 2401426021 its reverse (1206241042), we get a palindrome (3607667063).

The spelling of 2401426021 in words is "two billion, four hundred one million, four hundred twenty-six thousand, twenty-one".