42494046 has 16 divisors (see below), whose sum is σ = 97129344. Its totient is φ = 12141144.

The previous prime is 42494027. The next prime is 42494057. The reversal of 42494046 is 64049424.

It is a junction number, because it is equal to n+sod(n) for n = 42493998 and 42494016.

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 7 ways as a sum of consecutive naturals, for example, 505840 + ... + 505923.

It is an arithmetic number, because the mean of its divisors is an integer number (6070584).

Almost surely, 2^42494046 is an apocalyptic number.

42494046 is an abundant number, since it is smaller than the sum of its proper divisors (54635298).

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

42494046 is a wasteful number, since it uses less digits than its factorization.

42494046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011775.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 42494046 is about 6518.7457382536. The cubic root of 42494046 is about 348.9603050613.

The spelling of 42494046 in words is "forty-two million, four hundred ninety-four thousand, forty-six".