2101542576 has 480 divisors, whose sum is σ = 7219537920. Its totient is φ = 522547200.

The previous prime is 2101542559. The next prime is 2101542577. The reversal of 2101542576 is 6752451012.

It is not an unprimeable number, because it can be changed into a prime (2101542577) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51257116 + ... + 51257156.

It is an arithmetic number, because the mean of its divisors is an integer number (15040704).

Almost surely, 2^2101542576 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 2101542576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3609768960).

2101542576 is an abundant number, since it is smaller than the sum of its proper divisors (5117995344).

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

2101542576 is a wasteful number, since it uses less digits than its factorization.

2101542576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 2101542576 is about 45842.5847438820. The cubic root of 2101542576 is about 1280.8926423212.

Adding to 2101542576 its reverse (6752451012), we get a palindrome (8853993588).

The spelling of 2101542576 in words is "two billion, one hundred one million, five hundred forty-two thousand, five hundred seventy-six".