47851389040 has 480 divisors, whose sum is σ = 148938592320. Its totient is φ = 14129676288.

The previous prime is 47851389031. The next prime is 47851389083. The reversal of 47851389040 is 4098315874.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 70681182 + ... + 70681858.

It is an arithmetic number, because the mean of its divisors is an integer number (310288734).

Almost surely, 2^47851389040 is an apocalyptic number.

47851389040 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 47851389040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74469296160).

47851389040 is an abundant number, since it is smaller than the sum of its proper divisors (101087203280).

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

47851389040 is a wasteful number, since it uses less digits than its factorization.

47851389040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 47851389040 in words is "forty-seven billion, eight hundred fifty-one million, three hundred eighty-nine thousand, forty".