47246636520 has 384 divisors, whose sum is σ = 164508364800. Its totient is φ = 11725959168.

The previous prime is 47246636509. The next prime is 47246636597. The reversal of 47246636520 is 2563664274.

47246636520 is a `hidden beast` number, since 4 + 7 + 2 + 4 + 6 + 636 + 5 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 119008962 + ... + 119009358.

It is an arithmetic number, because the mean of its divisors is an integer number (428407200).

Almost surely, 2^47246636520 is an apocalyptic number.

47246636520 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 47246636520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82254182400).

47246636520 is an abundant number, since it is smaller than the sum of its proper divisors (117261728280).

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

47246636520 is a wasteful number, since it uses less digits than its factorization.

47246636520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 47246636520 in words is "forty-seven billion, two hundred forty-six million, six hundred thirty-six thousand, five hundred twenty".