47512859490 has 48 divisors (see below), whose sum is σ = 123955119288. Its totient is φ = 12626846208.

The previous prime is 47512859489. The next prime is 47512859501. The reversal of 47512859490 is 9495821574.

It is a happy number.

47512859490 is a `hidden beast` number, since 4 + 7 + 512 + 85 + 9 + 49 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 45283414401 + 2229445089 = 212799^2 + 47217^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 874519 + ... + 927258.

Almost surely, 2^47512859490 is an apocalyptic number.

47512859490 is an abundant number, since it is smaller than the sum of its proper divisors (76442259798).

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

47512859490 is a wasteful number, since it uses less digits than its factorization.

47512859490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802083 (or 1802080 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 47512859490 in words is "forty-seven billion, five hundred twelve million, eight hundred fifty-nine thousand, four hundred ninety".