47197391040 has 560 divisors, whose sum is σ = 185534027712. Its totient is φ = 11328159744.

The previous prime is 47197391029. The next prime is 47197391053. The reversal of 47197391040 is 4019379174.

47197391040 is a `hidden beast` number, since 471 + 9 + 73 + 9 + 104 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10132392 + ... + 10137048.

Almost surely, 2^47197391040 is an apocalyptic number.

47197391040 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 47197391040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92767013856).

47197391040 is an abundant number, since it is smaller than the sum of its proper divisors (138336636672).

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

47197391040 is a wasteful number, since it uses less digits than its factorization.

47197391040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726 (or 4707 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 47197391040 in words is "forty-seven billion, one hundred ninety-seven million, three hundred ninety-one thousand, forty".