10188145772 has 48 divisors (see below), whose sum is σ = 20710831680. Its totient is φ = 4295165952.

The previous prime is 10188145771. The next prime is 10188145777. The reversal of 10188145772 is 27754188101.

It is not an unprimeable number, because it can be changed into a prime (10188145771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480548 + ... + 501300.

It is an arithmetic number, because the mean of its divisors is an integer number (431475660).

Almost surely, 2^10188145772 is an apocalyptic number.

It is an amenable number.

10188145772 is an abundant number, since it is smaller than the sum of its proper divisors (10522685908).

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

10188145772 is a wasteful number, since it uses less digits than its factorization.

10188145772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21050 (or 21048 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 44.

The spelling of 10188145772 in words is "ten billion, one hundred eighty-eight million, one hundred forty-five thousand, seven hundred seventy-two".