1004640576 has 112 divisors (see below), whose sum is σ = 2758464384. Its totient is φ = 322430976.

The previous prime is 1004640509. The next prime is 1004640577. The reversal of 1004640576 is 6750464001.

It is a super-2 number, since 2×1004640576² = 2018605373891223552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004640577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731026 + ... + 732398.

Almost surely, 2^1004640576 is an apocalyptic number.

1004640576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004640576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379232192).

1004640576 is an abundant number, since it is smaller than the sum of its proper divisors (1753823808).

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

1004640576 is a wasteful number, since it uses less digits than its factorization.

1004640576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1004640576 is about 31696.0656233546. The cubic root of 1004640576 is about 1001.5444720447.

The spelling of 1004640576 in words is "one billion, four million, six hundred forty thousand, five hundred seventy-six".