47005139540 has 24 divisors (see below), whose sum is σ = 101006394720. Its totient is φ = 18364798368.

The previous prime is 47005139539. The next prime is 47005139561. The reversal of 47005139540 is 4593150074.

It is a junction number, because it is equal to n+sod(n) for n = 47005139494 and 47005139503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27327710 + ... + 27329429.

It is an arithmetic number, because the mean of its divisors is an integer number (4208599780).

Almost surely, 2^47005139540 is an apocalyptic number.

It is an amenable number.

47005139540 is an abundant number, since it is smaller than the sum of its proper divisors (54001255180).

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

47005139540 is a wasteful number, since it uses less digits than its factorization.

47005139540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54657191 (or 54657189 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 47005139540 in words is "forty-seven billion, five million, one hundred thirty-nine thousand, five hundred forty".