1040551306 has 4 divisors (see below), whose sum is σ = 1560826962. Its totient is φ = 520275652.

The previous prime is 1040551247. The next prime is 1040551307. The reversal of 1040551306 is 6031550401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1037162025 + 3389281 = 32205^2 + 1841^2 .

It is not an unprimeable number, because it can be changed into a prime (1040551307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260137825 + ... + 260137828.

Almost surely, 2^1040551306 is an apocalyptic number.

1040551306 is a deficient number, since it is larger than the sum of its proper divisors (520275656).

1040551306 is an equidigital number, since it uses as much as digits as its factorization.

1040551306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520275655.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1040551306 is about 32257.5774973881. The cubic root of 1040551306 is about 1013.3383981116.

The spelling of 1040551306 in words is "one billion, forty million, five hundred fifty-one thousand, three hundred six".