1045620604 has 18 divisors (see below), whose sum is σ = 2128585200. Its totient is φ = 448123032.

The previous prime is 1045620599. The next prime is 1045620617. The reversal of 1045620604 is 4060265401.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 2667204 + ... + 2667595.

Almost surely, 2^1045620604 is an apocalyptic number.

1045620604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1045620604 is an abundant number, since it is smaller than the sum of its proper divisors (1082964596).

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

1045620604 is a wasteful number, since it uses less digits than its factorization.

1045620604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334817 (or 5334808 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1045620604 is about 32336.0573354267. The cubic root of 1045620604 is about 1014.9813076225.

The spelling of 1045620604 in words is "one billion, forty-five million, six hundred twenty thousand, six hundred four".