28141948572 has 24 divisors (see below), whose sum is σ = 69120576000. Its totient is φ = 8886931056.

The previous prime is 28141948519. The next prime is 28141948577. The reversal of 28141948572 is 27584914182.

It is a super-3 number, since 3×28141948572³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28141948577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61714572 + ... + 61715027.

It is an arithmetic number, because the mean of its divisors is an integer number (2880024000).

Almost surely, 2^28141948572 is an apocalyptic number.

It is an amenable number.

28141948572 is an abundant number, since it is smaller than the sum of its proper divisors (40978627428).

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

28141948572 is a wasteful number, since it uses less digits than its factorization.

28141948572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123429625 (or 123429623 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The spelling of 28141948572 in words is "twenty-eight billion, one hundred forty-one million, nine hundred forty-eight thousand, five hundred seventy-two".