1064553642 has 12 divisors (see below), whose sum is σ = 2306532930. Its totient is φ = 354851208.

The previous prime is 1064553631. The next prime is 1064553673. The reversal of 1064553642 is 2463554601.

1064553642 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 5 + 5 + 3 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 640646721 + 423906921 = 25311^2 + 20589^2 .

It is a super-2 number, since 2×1064553642² = 2266548913390928328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1064553597 and 1064553606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29570917 + ... + 29570952.

Almost surely, 2^1064553642 is an apocalyptic number.

1064553642 is an abundant number, since it is smaller than the sum of its proper divisors (1241979288).

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

1064553642 is a wasteful number, since it uses less digits than its factorization.

1064553642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59141877 (or 59141874 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1064553642 is about 32627.4982491763. The cubic root of 1064553642 is about 1021.0707843906.

The spelling of 1064553642 in words is "one billion, sixty-four million, five hundred fifty-three thousand, six hundred forty-two".