42472744446 has 16 divisors (see below), whose sum is σ = 92667806208. Its totient is φ = 12870528600.

The previous prime is 42472744423. The next prime is 42472744451. The reversal of 42472744446 is 64444727424.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42472744395 and 42472744404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321763150 + ... + 321763281.

It is an arithmetic number, because the mean of its divisors is an integer number (5791737888).

Almost surely, 2^42472744446 is an apocalyptic number.

42472744446 is an abundant number, since it is smaller than the sum of its proper divisors (50195061762).

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

42472744446 is a wasteful number, since it uses less digits than its factorization.

42472744446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643526447.

The product of its digits is 4816896, while the sum is 48.

The spelling of 42472744446 in words is "forty-two billion, four hundred seventy-two million, seven hundred forty-four thousand, four hundred forty-six".