47351969280 has 1920 divisors, whose sum is σ = 225705553920. Its totient is φ = 9289728000.

The previous prime is 47351969257. The next prime is 47351969281. The reversal of 47351969280 is 8296915374.

47351969280 is a `hidden beast` number, since 4 + 7 + 351 + 9 + 6 + 9 + 280 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47351969281) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1154926060 + ... + 1154926100.

It is an arithmetic number, because the mean of its divisors is an integer number (117554976).

It is a 1-persistent number, because it is pandigital, but 2⋅47351969280 = 94703938560 is not.

Almost surely, 2^47351969280 is an apocalyptic number.

47351969280 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 47351969280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112852776960).

47351969280 is an abundant number, since it is smaller than the sum of its proper divisors (178353584640).

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

47351969280 is a wasteful number, since it uses less digits than its factorization.

47351969280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 47351969280 in words is "forty-seven billion, three hundred fifty-one million, nine hundred sixty-nine thousand, two hundred eighty".