42206426 has 24 divisors (see below), whose sum is σ = 68481504. Its totient is φ = 19471760.

The previous prime is 42206419. The next prime is 42206441. The reversal of 42206426 is 62460224.

It is a junction number, because it is equal to n+sod(n) for n = 42206395 and 42206404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38141 + ... + 39231.

It is an arithmetic number, because the mean of its divisors is an integer number (2853396).

Almost surely, 2^42206426 is an apocalyptic number.

42206426 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42206426 is a deficient number, since it is larger than the sum of its proper divisors (26275078).

42206426 is a wasteful number, since it uses less digits than its factorization.

42206426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 42206426 is about 6496.6472891792. The cubic root of 42206426 is about 348.1712120481.

The spelling of 42206426 in words is "forty-two million, two hundred six thousand, four hundred twenty-six".