47278040000 has 140 divisors (see below), whose sum is σ = 117460419384. Its totient is φ = 18874752000.

The previous prime is 47278039993. The next prime is 47278040099. The reversal of 47278040000 is 4087274.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31879259 + ... + 31880741.

Almost surely, 2^47278040000 is an apocalyptic number.

47278040000 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 47278040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58730209692).

47278040000 is an abundant number, since it is smaller than the sum of its proper divisors (70182379384).

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

47278040000 is an equidigital number, since it uses as much as digits as its factorization.

47278040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The spelling of 47278040000 in words is "forty-seven billion, two hundred seventy-eight million, forty thousand".