47248356820 has 36 divisors (see below), whose sum is σ = 115420988340. Its totient is φ = 16199436288.

The previous prime is 47248356817. The next prime is 47248356821. The reversal of 47248356820 is 2865384274.

It can be written as a sum of positive squares in 2 ways, for example, as 15844263876 + 31404092944 = 125874^2 + 177212^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47248356821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24105325 + ... + 24107284.

It is an arithmetic number, because the mean of its divisors is an integer number (3206138565).

Almost surely, 2^47248356820 is an apocalyptic number.

It is an amenable number.

47248356820 is an abundant number, since it is smaller than the sum of its proper divisors (68172631520).

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

47248356820 is a wasteful number, since it uses less digits than its factorization.

47248356820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48212632 (or 48212623 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 47248356820 in words is "forty-seven billion, two hundred forty-eight million, three hundred fifty-six thousand, eight hundred twenty".