47275837440 has 384 divisors, whose sum is σ = 166728481920. Its totient is φ = 11362369536.

The previous prime is 47275837417. The next prime is 47275837451. The reversal of 47275837440 is 4473857274.

It is a tau number, because it is divible by the number of its divisors (384).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17171104 + ... + 17173856.

It is an arithmetic number, because the mean of its divisors is an integer number (434188755).

Almost surely, 2^47275837440 is an apocalyptic number.

47275837440 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 47275837440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83364240960).

47275837440 is an abundant number, since it is smaller than the sum of its proper divisors (119452644480).

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

47275837440 is a wasteful number, since it uses less digits than its factorization.

47275837440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 51.

The spelling of 47275837440 in words is "forty-seven billion, two hundred seventy-five million, eight hundred thirty-seven thousand, four hundred forty".