1426042251 has 24 divisors (see below), whose sum is σ = 2154387456. Its totient is φ = 907249200.

The previous prime is 1426042243. The next prime is 1426042291. The reversal of 1426042251 is 1522406241.

1426042251 is a `hidden beast` number, since 1 + 4 + 2 + 604 + 2 + 2 + 51 = 666.

It is not a de Polignac number, because 1426042251 - 2³ = 1426042243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1426042291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83926 + ... + 99476.

It is an arithmetic number, because the mean of its divisors is an integer number (89766144).

Almost surely, 2^1426042251 is an apocalyptic number.

1426042251 is a deficient number, since it is larger than the sum of its proper divisors (728345205).

1426042251 is a wasteful number, since it uses less digits than its factorization.

1426042251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16023 (or 16020 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1426042251 is about 37762.9746047633. The cubic root of 1426042251 is about 1125.5828422840.

Adding to 1426042251 its reverse (1522406241), we get a palindrome (2948448492).

The spelling of 1426042251 in words is "one billion, four hundred twenty-six million, forty-two thousand, two hundred fifty-one".