1004055672 has 16 divisors (see below), whose sum is σ = 2510139240. Its totient is φ = 334685216.

The previous prime is 1004055671. The next prime is 1004055677. The reversal of 1004055672 is 2765504001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004055671) 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 3 ways as a sum of consecutive naturals, for example, 20917803 + ... + 20917850.

Almost surely, 2^1004055672 is an apocalyptic number.

1004055672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1004055672 is an abundant number, since it is smaller than the sum of its proper divisors (1506083568).

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

1004055672 is a wasteful number, since it uses less digits than its factorization.

1004055672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41835662 (or 41835658 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1004055672 is about 31686.8375197021. The cubic root of 1004055672 is about 1001.3500671651.

Adding to 1004055672 its reverse (2765504001), we get a palindrome (3769559673).

The spelling of 1004055672 in words is "one billion, four million, fifty-five thousand, six hundred seventy-two".