47155459520 has 336 divisors, whose sum is σ = 130767234528. Its totient is φ = 16093347840.

The previous prime is 47155459517. The next prime is 47155459553. The reversal of 47155459520 is 2595455174.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73336319 + ... + 73336961.

It is an arithmetic number, because the mean of its divisors is an integer number (389188198).

Almost surely, 2^47155459520 is an apocalyptic number.

47155459520 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 47155459520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65383617264).

47155459520 is an abundant number, since it is smaller than the sum of its proper divisors (83611775008).

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

47155459520 is a wasteful number, since it uses less digits than its factorization.

47155459520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 47155459520 in words is "forty-seven billion, one hundred fifty-five million, four hundred fifty-nine thousand, five hundred twenty".