42250858 has 16 divisors (see below), whose sum is σ = 69541416. Its totient is φ = 19131840.

The previous prime is 42250849. The next prime is 42250913. The reversal of 42250858 is 85805224.

It can be written as a sum of positive squares in 4 ways, for example, as 41692849 + 558009 = 6457^2 + 747^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13953 + ... + 16708.

Almost surely, 2^42250858 is an apocalyptic number.

42250858 is a deficient number, since it is larger than the sum of its proper divisors (27290558).

42250858 is a wasteful number, since it uses less digits than its factorization.

42250858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30729.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 42250858 is about 6500.0659996649. The cubic root of 42250858 is about 348.2933460402.

The spelling of 42250858 in words is "forty-two million, two hundred fifty thousand, eight hundred fifty-eight".