47138426880 has 208 divisors, whose sum is σ = 159700123584. Its totient is φ = 11830558720.

The previous prime is 47138426861. The next prime is 47138426921. The reversal of 47138426880 is 8862483174.

It is a super-2 number, since 2×47138426880² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

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, 1021915 + ... + 1067045.

Almost surely, 2^47138426880 is an apocalyptic number.

47138426880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47138426880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79850061792).

47138426880 is an abundant number, since it is smaller than the sum of its proper divisors (112561696704).

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

47138426880 is a wasteful number, since it uses less digits than its factorization.

47138426880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45180 (or 45158 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 47138426880 in words is "forty-seven billion, one hundred thirty-eight million, four hundred twenty-six thousand, eight hundred eighty".