42456046 has 16 divisors (see below), whose sum is σ = 65018880. Its totient is φ = 20786040.

The previous prime is 42456041. The next prime is 42456049. The reversal of 42456046 is 64065424.

It is a junction number, because it is equal to n+sod(n) for n = 42455999 and 42456017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42456041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38515 + ... + 39601.

It is an arithmetic number, because the mean of its divisors is an integer number (4063680).

Almost surely, 2^42456046 is an apocalyptic number.

42456046 is a deficient number, since it is larger than the sum of its proper divisors (22562834).

42456046 is a wasteful number, since it uses less digits than its factorization.

42456046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 42456046 is about 6515.8304152272. The cubic root of 42456046 is about 348.8562556120.

The spelling of 42456046 in words is "forty-two million, four hundred fifty-six thousand, forty-six".