47140377520 has 20 divisors (see below), whose sum is σ = 109601377920. Its totient is φ = 18856150976.

The previous prime is 47140377517. The next prime is 47140377521. The reversal of 47140377520 is 2577304174.

47140377520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (47140377521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294627280 + ... + 294627439.

It is an arithmetic number, because the mean of its divisors is an integer number (5480068896).

Almost surely, 2^47140377520 is an apocalyptic number.

47140377520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47140377520 is an abundant number, since it is smaller than the sum of its proper divisors (62461000400).

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

47140377520 is a wasteful number, since it uses less digits than its factorization.

47140377520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589254732 (or 589254726 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 47140377520 in words is "forty-seven billion, one hundred forty million, three hundred seventy-seven thousand, five hundred twenty".