47910139680 has 192 divisors, whose sum is σ = 166919332608. Its totient is φ = 11474472960.

The previous prime is 47910139679. The next prime is 47910139691. The reversal of 47910139680 is 8693101974.

It is a happy number.

47910139680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47910139680² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127125 + ... + 334635.

It is an arithmetic number, because the mean of its divisors is an integer number (869371524).

Almost surely, 2^47910139680 is an apocalyptic number.

47910139680 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 47910139680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83459666304).

47910139680 is an abundant number, since it is smaller than the sum of its proper divisors (119009192928).

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

47910139680 is a wasteful number, since it uses less digits than its factorization.

47910139680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207579 (or 207571 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 47910139680 in words is "forty-seven billion, nine hundred ten million, one hundred thirty-nine thousand, six hundred eighty".