47121517340 has 24 divisors (see below), whose sum is σ = 104163354960. Its totient is φ = 17856574848.

The previous prime is 47121517319. The next prime is 47121517367. The reversal of 47121517340 is 4371512174.

47121517340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47121517340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62001617 + ... + 62002376.

It is an arithmetic number, because the mean of its divisors is an integer number (4340139790).

Almost surely, 2^47121517340 is an apocalyptic number.

It is an amenable number.

47121517340 is an abundant number, since it is smaller than the sum of its proper divisors (57041837620).

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

47121517340 is a wasteful number, since it uses less digits than its factorization.

47121517340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124004021 (or 124004019 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 47121517340 in words is "forty-seven billion, one hundred twenty-one million, five hundred seventeen thousand, three hundred forty".