426280842 has 24 divisors (see below), whose sum is σ = 994655844. Its totient is φ = 131163264.

The previous prime is 426280819. The next prime is 426280901. The reversal of 426280842 is 248082624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 424401201 + 1879641 = 20601^2 + 1371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 426280797 and 426280806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 910623 + ... + 911090.

Almost surely, 2^426280842 is an apocalyptic number.

426280842 is an abundant number, since it is smaller than the sum of its proper divisors (568375002).

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

426280842 is a wasteful number, since it uses less digits than its factorization.

426280842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821734 (or 1821731 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 426280842 is about 20646.5697393054. The cubic root of 426280842 is about 752.6018328503.

The spelling of 426280842 in words is "four hundred twenty-six million, two hundred eighty thousand, eight hundred forty-two".