47138340548 has 72 divisors (see below), whose sum is σ = 96569363520. Its totient is φ = 20053837440.

The previous prime is 47138340533. The next prime is 47138340583. The reversal of 47138340548 is 84504383174.

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, 425633 + ... + 524823.

It is an arithmetic number, because the mean of its divisors is an integer number (1341241160).

Almost surely, 2^47138340548 is an apocalyptic number.

It is an amenable number.

47138340548 is an abundant number, since it is smaller than the sum of its proper divisors (49431022972).

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

47138340548 is a wasteful number, since it uses less digits than its factorization.

47138340548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99277 (or 99262 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 47138340548 in words is "forty-seven billion, one hundred thirty-eight million, three hundred forty thousand, five hundred forty-eight".