1063040638 has 8 divisors (see below), whose sum is σ = 1739521080. Its totient is φ = 483200280.

The previous prime is 1063040621. The next prime is 1063040639. The reversal of 1063040638 is 8360403601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1063040638² = 2260110796078894088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063040639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24159993 + ... + 24160036.

It is an arithmetic number, because the mean of its divisors is an integer number (217440135).

Almost surely, 2^1063040638 is an apocalyptic number.

1063040638 is a deficient number, since it is larger than the sum of its proper divisors (676480442).

1063040638 is a wasteful number, since it uses less digits than its factorization.

1063040638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48320042.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1063040638 is about 32604.3039796896. The cubic root of 1063040638 is about 1020.5868204734.

The spelling of 1063040638 in words is "one billion, sixty-three million, forty thousand, six hundred thirty-eight".