1004054004 has 18 divisors (see below), whose sum is σ = 2538025490. Its totient is φ = 334684656.

The previous prime is 1004054003. The next prime is 1004054047. The reversal of 1004054004 is 4004504001.

It can be written as a sum of positive squares in only one way, i.e., 689062500 + 314991504 = 26250^2 + 17748^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004054003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13945159 + ... + 13945230.

Almost surely, 2^1004054004 is an apocalyptic number.

It is an amenable number.

1004054004 is an abundant number, since it is smaller than the sum of its proper divisors (1533971486).

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

1004054004 is a wasteful number, since it uses less digits than its factorization.

1004054004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27890399 (or 27890394 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1004054004 is about 31686.8111996143. The cubic root of 1004054004 is about 1001.3495126630.

Adding to 1004054004 its reverse (4004504001), we get a palindrome (5008558005).

The spelling of 1004054004 in words is "one billion, four million, fifty-four thousand, four".