Search a number
-
+
40004488808 = 2317734029461
BaseRepresentation
bin100101010000011101…
…000000111001101000
310211020222111120222122
4211100131000321220
51123412122120213
630213335010412
72614230354464
oct452035007150
9124228446878
1040004488808
1115a695445a9
127905509a08
133a06c9476b
141d170194a4
1510920c1d08
hex950740e68

40004488808 has 32 divisors (see below), whose sum is σ = 80508650760. Its totient is φ = 18567751680.

The previous prime is 40004488759. The next prime is 40004488829. The reversal of 40004488808 is 80888440004.

It can be written as a sum of positive squares in 4 ways, for example, as 39038646724 + 965842084 = 197582^2 + 31078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2004803 + ... + 2024658.

Almost surely, 240004488808 is an apocalyptic number.

It is an amenable number.

40004488808 is an abundant number, since it is smaller than the sum of its proper divisors (40504161952).

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

40004488808 is a wasteful number, since it uses less digits than its factorization.

40004488808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029557 (or 4029553 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 40004488808 in words is "forty billion, four million, four hundred eighty-eight thousand, eight hundred eight".

Divisors: 1 2 4 8 17 34 68 73 136 146 292 584 1241 2482 4964 9928 4029461 8058922 16117844 32235688 68500837 137001674 274003348 294150653 548006696 588301306 1176602612 2353205224 5000561101 10001122202 20002244404 40004488808