442351026 has 24 divisors (see below), whose sum is σ = 1032152940. Its totient is φ = 136107936.

The previous prime is 442351003. The next prime is 442351057. The reversal of 442351026 is 620153244.

It can be written as a sum of positive squares in 2 ways, for example, as 441630225 + 720801 = 21015^2 + 849^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 944961 + ... + 945428.

Almost surely, 2^442351026 is an apocalyptic number.

442351026 is an abundant number, since it is smaller than the sum of its proper divisors (589801914).

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

442351026 is a wasteful number, since it uses less digits than its factorization.

442351026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890410 (or 1890407 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 442351026 is about 21032.1426868496. The cubic root of 442351026 is about 761.9427592524.

The spelling of 442351026 in words is "four hundred forty-two million, three hundred fifty-one thousand, twenty-six".