47042312920 has 32 divisors (see below), whose sum is σ = 106104031200. Its totient is φ = 18770911488.

The previous prime is 47042312899. The next prime is 47042312953. The reversal of 47042312920 is 2921324074.

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, 1421364 + ... + 1454083.

It is an arithmetic number, because the mean of its divisors is an integer number (3315750975).

Almost surely, 2^47042312920 is an apocalyptic number.

47042312920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47042312920 is an abundant number, since it is smaller than the sum of its proper divisors (59061718280).

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

47042312920 is a wasteful number, since it uses less digits than its factorization.

47042312920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875867 (or 2875863 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 47042312920 its reverse (2921324074), we get a palindrome (49963636994).

The spelling of 47042312920 in words is "forty-seven billion, forty-two million, three hundred twelve thousand, nine hundred twenty".