1040655204 has 72 divisors (see below), whose sum is σ = 2801667960. Its totient is φ = 324559872.

The previous prime is 1040655197. The next prime is 1040655211. The reversal of 1040655204 is 4025560401.

1040655204 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 655 + 2 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1040655197) and next prime (1040655211).

It can be written as a sum of positive squares in 4 ways, for example, as 756800100 + 283855104 = 27510^2 + 16848^2 .

It is a super-2 number, since 2×1040655204² = 2165926507224563232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100962 + ... + 110790.

It is an arithmetic number, because the mean of its divisors is an integer number (38912055).

Almost surely, 2^1040655204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040655204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400833980).

1040655204 is an abundant number, since it is smaller than the sum of its proper divisors (1761012756).

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

1040655204 is a wasteful number, since it uses less digits than its factorization.

1040655204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029 (or 10024 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1040655204 is about 32259.1879005036. The cubic root of 1040655204 is about 1013.3721239287.

The spelling of 1040655204 in words is "one billion, forty million, six hundred fifty-five thousand, two hundred four".