10533278772 has 48 divisors (see below), whose sum is σ = 27716109120. Its totient is φ = 3458686176.

The previous prime is 10533278747. The next prime is 10533278809. The reversal of 10533278772 is 27787233501.

It is a happy number.

10533278772 is a `hidden beast` number, since 10 + 533 + 27 + 87 + 7 + 2 = 666.

It is a super-2 number, since 2×10533278772² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720603 + ... + 735074.

It is an arithmetic number, because the mean of its divisors is an integer number (577418940).

Almost surely, 2^10533278772 is an apocalyptic number.

10533278772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10533278772 is an abundant number, since it is smaller than the sum of its proper divisors (17182830348).

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

10533278772 is a wasteful number, since it uses less digits than its factorization.

10533278772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455757 (or 1455749 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 10533278772 in words is "ten billion, five hundred thirty-three million, two hundred seventy-eight thousand, seven hundred seventy-two".