47391455232 has 288 divisors, whose sum is σ = 152987168880. Its totient is φ = 14008320000.

The previous prime is 47391455213. The next prime is 47391455249. The reversal of 47391455232 is 23255419374.

It is a happy number.

47391455232 is a `hidden beast` number, since 4 + 7 + 3 + 91 + 4 + 552 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8309982 + ... + 8315682.

Almost surely, 2^47391455232 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 47391455232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76493584440).

47391455232 is an abundant number, since it is smaller than the sum of its proper divisors (105595713648).

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

47391455232 is a wasteful number, since it uses less digits than its factorization.

47391455232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781 (or 5758 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 47391455232 in words is "forty-seven billion, three hundred ninety-one million, four hundred fifty-five thousand, two hundred thirty-two".