1045622672 has 40 divisors (see below), whose sum is σ = 2197406232. Its totient is φ = 480051200.

The previous prime is 1045622671. The next prime is 1045622707. The reversal of 1045622672 is 2762265401.

It can be written as a sum of positive squares in 4 ways, for example, as 5776 + 1045616896 = 76^2 + 32336^2 .

It is not an unprimeable number, because it can be changed into a prime (1045622671) 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 7 ways as a sum of consecutive naturals, for example, 35729 + ... + 58032.

Almost surely, 2^1045622672 is an apocalyptic number.

It is an amenable number.

1045622672 is an abundant number, since it is smaller than the sum of its proper divisors (1151783560).

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

1045622672 is a wasteful number, since it uses less digits than its factorization.

1045622672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93827 (or 93821 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 1045622672 is about 32336.0893120983. The cubic root of 1045622672 is about 1014.9819767562.

The spelling of 1045622672 in words is "one billion, forty-five million, six hundred twenty-two thousand, six hundred seventy-two".