42479854 has 8 divisors (see below), whose sum is σ = 65274048. Its totient is φ = 20721840.

The previous prime is 42479831. The next prime is 42479863. The reversal of 42479854 is 45897424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42479854² = 3609075991722632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42479854.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 258942 + ... + 259105.

It is an arithmetic number, because the mean of its divisors is an integer number (8159256).

Almost surely, 2^42479854 is an apocalyptic number.

42479854 is a deficient number, since it is larger than the sum of its proper divisors (22794194).

42479854 is a wasteful number, since it uses less digits than its factorization.

42479854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518090.

The product of its digits is 322560, while the sum is 43.

The square root of 42479854 is about 6517.6570943860. The cubic root of 42479854 is about 348.9214525902.

The spelling of 42479854 in words is "forty-two million, four hundred seventy-nine thousand, eight hundred fifty-four".