47129615540 has 48 divisors (see below), whose sum is σ = 113133694464. Its totient is φ = 16155494400.

The previous prime is 47129615531. The next prime is 47129615551. The reversal of 47129615540 is 4551692174.

It is a junction number, because it is equal to n+sod(n) for n = 47129615491 and 47129615500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730805 + ... + 792675.

It is an arithmetic number, because the mean of its divisors is an integer number (2356951968).

Almost surely, 2^47129615540 is an apocalyptic number.

It is an amenable number.

47129615540 is an abundant number, since it is smaller than the sum of its proper divisors (66004078924).

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

47129615540 is a wasteful number, since it uses less digits than its factorization.

47129615540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67328 (or 67326 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 47129615540 in words is "forty-seven billion, one hundred twenty-nine million, six hundred fifteen thousand, five hundred forty".