1054640361 has 16 divisors (see below), whose sum is σ = 1455595200. Its totient is φ = 678420288.

The previous prime is 1054640359. The next prime is 1054640393. The reversal of 1054640361 is 1630464501.

It is not a de Polignac number, because 1054640361 - 2¹ = 1054640359 is a prime.

It is a super-2 number, since 2×1054640361² = 2224532582100420642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1054640311) 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 15 ways as a sum of consecutive naturals, for example, 191910 + ... + 197328.

It is an arithmetic number, because the mean of its divisors is an integer number (90974700).

Almost surely, 2^1054640361 is an apocalyptic number.

It is an amenable number.

1054640361 is a deficient number, since it is larger than the sum of its proper divisors (400954839).

1054640361 is a wasteful number, since it uses less digits than its factorization.

1054640361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1054640361 is about 32475.2268814246. The cubic root of 1054640361 is about 1017.8914409682.

The spelling of 1054640361 in words is "one billion, fifty-four million, six hundred forty thousand, three hundred sixty-one".