47409782840 has 64 divisors (see below), whose sum is σ = 123580935360. Its totient is φ = 16032107520.

The previous prime is 47409782837. The next prime is 47409782857. The reversal of 47409782840 is 4828790474.

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 15 ways as a sum of consecutive naturals, for example, 1139291 + ... + 1180170.

It is an arithmetic number, because the mean of its divisors is an integer number (1930952115).

Almost surely, 2^47409782840 is an apocalyptic number.

47409782840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47409782840 is an abundant number, since it is smaller than the sum of its proper divisors (76171152520).

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

47409782840 is a wasteful number, since it uses less digits than its factorization.

47409782840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319552 (or 2319548 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 47409782840 in words is "forty-seven billion, four hundred nine million, seven hundred eighty-two thousand, eight hundred forty".