47392240509840 has 320 divisors, whose sum is σ = 162346765142016. Its totient is φ = 11375595872256.

The previous prime is 47392240509833. The next prime is 47392240509869. The reversal of 47392240509840 is 4890504229374.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 660879267 + ... + 660950973.

Almost surely, 2^{47392240509840} is an apocalyptic number.

47392240509840 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 47392240509840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81173382571008).

47392240509840 is an abundant number, since it is smaller than the sum of its proper divisors (114954524632176).

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

47392240509840 is a wasteful number, since it uses less digits than its factorization.

47392240509840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78806 (or 78800 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 47392240509840 in words is "forty-seven trillion, three hundred ninety-two billion, two hundred forty million, five hundred nine thousand, eight hundred forty".