2057402426 has 8 divisors (see below), whose sum is σ = 3086381280. Its totient is φ = 1028608668.

The previous prime is 2057402401. The next prime is 2057402447. The reversal of 2057402426 is 6242047502.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2057402392 and 2057402401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13976 + ... + 65651.

It is an arithmetic number, because the mean of its divisors is an integer number (385797660).

Almost surely, 2^2057402426 is an apocalyptic number.

2057402426 is a deficient number, since it is larger than the sum of its proper divisors (1028978854).

2057402426 is a wasteful number, since it uses less digits than its factorization.

2057402426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92548.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 2057402426 is about 45358.5981485319. The cubic root of 2057402426 is about 1271.8612892299.

Adding to 2057402426 its reverse (6242047502), we get a palindrome (8299449928).

The spelling of 2057402426 in words is "two billion, fifty-seven million, four hundred two thousand, four hundred twenty-six".