47446534590 has 128 divisors (see below), whose sum is σ = 141173867520. Its totient is φ = 9937548288.

The previous prime is 47446534519. The next prime is 47446534609. The reversal of 47446534590 is 9543564474.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 310581 + ... + 437439.

It is an arithmetic number, because the mean of its divisors is an integer number (1102920840).

Almost surely, 2^47446534590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47446534590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70586933760).

47446534590 is an abundant number, since it is smaller than the sum of its proper divisors (93727332930).

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

47446534590 is a wasteful number, since it uses less digits than its factorization.

47446534590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127026.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 47446534590 in words is "forty-seven billion, four hundred forty-six million, five hundred thirty-four thousand, five hundred ninety".