42924820345 has 16 divisors (see below), whose sum is σ = 56304243072. Its totient is φ = 31155967360.

The previous prime is 42924820307. The next prime is 42924820357. The reversal of 42924820345 is 54302842924.

It is a happy number.

It is not a de Polignac number, because 42924820345 - 2¹⁹ = 42924296057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748132 + ... + 803461.

It is an arithmetic number, because the mean of its divisors is an integer number (3519015192).

Almost surely, 2^42924820345 is an apocalyptic number.

It is an amenable number.

42924820345 is a deficient number, since it is larger than the sum of its proper divisors (13379422727).

42924820345 is a wasteful number, since it uses less digits than its factorization.

42924820345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552112.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 42924820345 in words is "forty-two billion, nine hundred twenty-four million, eight hundred twenty thousand, three hundred forty-five".