47156447340 has 36 divisors (see below), whose sum is σ = 143041224144. Its totient is φ = 12575052576.

The previous prime is 47156447297. The next prime is 47156447357. The reversal of 47156447340 is 4374465174.

47156447340 is a `hidden beast` number, since 4 + 7 + 1 + 564 + 47 + 3 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130989952 + ... + 130990311.

Almost surely, 2^47156447340 is an apocalyptic number.

It is an amenable number.

47156447340 is an abundant number, since it is smaller than the sum of its proper divisors (95884776804).

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

47156447340 is a wasteful number, since it uses less digits than its factorization.

47156447340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261980278 (or 261980273 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 47156447340 in words is "forty-seven billion, one hundred fifty-six million, four hundred forty-seven thousand, three hundred forty".