10555772944 has 10 divisors (see below), whose sum is σ = 20451810110. Its totient is φ = 5277886464.

The previous prime is 10555772939. The next prime is 10555772947. The reversal of 10555772944 is 44927755501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8241008400 + 2314764544 = 90780^2 + 48112^2 .

It is a super-2 number, since 2×10555772944² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10555772947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329867889 + ... + 329867920.

It is an arithmetic number, because the mean of its divisors is an integer number (2045181011).

Almost surely, 2^10555772944 is an apocalyptic number.

It is an amenable number.

10555772944 is a deficient number, since it is larger than the sum of its proper divisors (9896037166).

10555772944 is an equidigital number, since it uses as much as digits as its factorization.

10555772944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659735817 (or 659735811 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 49.

The spelling of 10555772944 in words is "ten billion, five hundred fifty-five million, seven hundred seventy-two thousand, nine hundred forty-four".