47621354368 has 128 divisors (see below), whose sum is σ = 116915500800. Its totient is φ = 18863124480.

The previous prime is 47621354323. The next prime is 47621354369. The reversal of 47621354368 is 86345312674.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47621354369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663871 + ... + 732097.

It is an arithmetic number, because the mean of its divisors is an integer number (913402350).

Almost surely, 2^47621354368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47621354368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58457750400).

47621354368 is an abundant number, since it is smaller than the sum of its proper divisors (69294146432).

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

47621354368 is a wasteful number, since it uses less digits than its factorization.

47621354368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68308 (or 68296 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The spelling of 47621354368 in words is "forty-seven billion, six hundred twenty-one million, three hundred fifty-four thousand, three hundred sixty-eight".