2047570644 has 144 divisors (see below), whose sum is σ = 6194905920. Its totient is φ = 521579520.

The previous prime is 2047570643. The next prime is 2047570673. The reversal of 2047570644 is 4460757402.

2047570644 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047570643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184534 + ... + 195314.

It is an arithmetic number, because the mean of its divisors is an integer number (43020180).

Almost surely, 2^2047570644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2047570644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3097452960).

2047570644 is an abundant number, since it is smaller than the sum of its proper divisors (4147335276).

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

2047570644 is a wasteful number, since it uses less digits than its factorization.

2047570644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10838 (or 10829 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 39.

The square root of 2047570644 is about 45250.0899888608. The cubic root of 2047570644 is about 1269.8320905589.

It can be divided in two parts, 20475 and 70644, that added together give a palindrome (91119).

The spelling of 2047570644 in words is "two billion, forty-seven million, five hundred seventy thousand, six hundred forty-four".