4047056108172 has 144 divisors (see below), whose sum is σ = 12824826303744. Its totient is φ = 1045375632000.

The previous prime is 4047056108171. The next prime is 4047056108239. The reversal of 4047056108172 is 2718016507404.

4047056108172 is a `hidden beast` number, since 4 + 0 + 4 + 7 + 0 + 561 + 0 + 81 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (4047056108171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3531354 + ... + 4534817.

It is an arithmetic number, because the mean of its divisors is an integer number (89061293776).

Almost surely, 2^{4047056108172} is an apocalyptic number.

4047056108172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4047056108172 is an abundant number, since it is smaller than the sum of its proper divisors (8777770195572).

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

4047056108172 is a wasteful number, since it uses less digits than its factorization.

4047056108172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066380 (or 8066375 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 4047056108172 in words is "four trillion, forty-seven billion, fifty-six million, one hundred eight thousand, one hundred seventy-two".