42066783345 has 32 divisors (see below), whose sum is σ = 68575248000. Its totient is φ = 22016451584.

The previous prime is 42066783323. The next prime is 42066783439. The reversal of 42066783345 is 54338766024.

It is a cyclic number.

It is not a de Polignac number, because 42066783345 - 2¹¹ = 42066781297 is a prime.

It is a super-2 number, since 2×42066783345² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42066783294 and 42066783303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72121 + ... + 298889.

It is an arithmetic number, because the mean of its divisors is an integer number (2142976500).

Almost surely, 2^42066783345 is an apocalyptic number.

It is an amenable number.

42066783345 is a deficient number, since it is larger than the sum of its proper divisors (26508464655).

42066783345 is a wasteful number, since it uses less digits than its factorization.

42066783345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227009.

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 42066783345 in words is "forty-two billion, sixty-six million, seven hundred eighty-three thousand, three hundred forty-five".