42455798 has 32 divisors (see below), whose sum is σ = 81554688. Its totient is φ = 16092000.

The previous prime is 42455789. The next prime is 42455801. The reversal of 42455798 is 89755424.

It is a happy number.

It is a super-3 number, since 3×42455798³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1973 + ... + 9423.

It is an arithmetic number, because the mean of its divisors is an integer number (2548584).

Almost surely, 2^42455798 is an apocalyptic number.

42455798 is a deficient number, since it is larger than the sum of its proper divisors (39098890).

42455798 is a wasteful number, since it uses less digits than its factorization.

42455798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508.

The product of its digits is 403200, while the sum is 44.

The square root of 42455798 is about 6515.8113846243. The cubic root of 42455798 is about 348.8555763485.

The spelling of 42455798 in words is "forty-two million, four hundred fifty-five thousand, seven hundred ninety-eight".