1055769644 has 12 divisors (see below), whose sum is σ = 1927927344. Its totient is φ = 504933264.

The previous prime is 1055769643. The next prime is 1055769653. The reversal of 1055769644 is 4469675501.

It is a super-2 number, since 2×1055769644² = 2229299082383773472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055769641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5737787 + ... + 5737970.

It is an arithmetic number, because the mean of its divisors is an integer number (160660612).

Almost surely, 2^1055769644 is an apocalyptic number.

It is an amenable number.

1055769644 is a deficient number, since it is larger than the sum of its proper divisors (872157700).

1055769644 is a wasteful number, since it uses less digits than its factorization.

1055769644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11475784 (or 11475782 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 1055769644 is about 32492.6090672941. The cubic root of 1055769644 is about 1018.2546224234.

The spelling of 1055769644 in words is "one billion, fifty-five million, seven hundred sixty-nine thousand, six hundred forty-four".