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40804040804 = 2210139901
BaseRepresentation
bin100110000000000111…
…000100000001100100
310220022201000001010112
4212000013010001210
51132031313301204
630424540112152
72643106424042
oct460007040144
9126281001115
1040804040804
11163398a987a
127aa9235658
133b0381b757
141d912a9392
1510dc3ab26e
hex9801c4064

40804040804 has 24 divisors (see below), whose sum is σ = 72128425656. Its totient is φ = 20197980000.

The previous prime is 40804040803. The next prime is 40804040819.

It is a happy number.

40804040804 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 34625766400 + 6178274404 = 186080^2 + 78602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40804040803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4116254 + ... + 4126154.

It is an arithmetic number, because the mean of its divisors is an integer number (3005351069).

Almost surely, 240804040804 is an apocalyptic number.

It is an amenable number.

40804040804 is a deficient number, since it is larger than the sum of its proper divisors (31324384852).

40804040804 is an frugal number, since it uses more digits than its factorization.

40804040804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10208 (or 10004 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

It can be divided in two parts, 408040 and 40804, that added together give a palindrome (448844).

The spelling of 40804040804 in words is "forty billion, eight hundred four million, forty thousand, eight hundred four".

Divisors: 1 2 4 101 202 404 9901 10201 19802 20402 39604 40804 1000001 1030301 2000002 2060602 4000004 4121204 101000101 202000202 404000404 10201010201 20402020402 40804040804